3² × 5 × 53 × 61

Prime Factor Structure

Factorization String 3^2 × 5 × 53 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 261,144

Proper Divisor Sum 115,659

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #145477 ← → #145487

1 3 5 9 15 45 53 61 159 183 265 305 477 549 795 915 2,385 2,745 3,233 9,699 16,165 29,097 48,495 145,485

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

145,485 436,456 218,228 109,114 54,557 163,672 81,836 40,918 20,459 61,378 30,689 92,068 46,034 23,017 69,052 34,526 17,263 51,790 25,895 77,686 38,843 116,530 58,265 174,796 87,398 43,699 131,098 65,549 196,648 98,324 49,162 24,581 73,744 36,872 18,436 9,218 4,609 13,828 6,914 3,457 10,372 5,186 2,593 7,780 3,890 1,945 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154

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