Factors / Factors of 145

Factors of 145

1, 5, 29, 145

145 breaks into 2 pairs, tested up to √145 ≈ 12.0; each pair multiplies back to 145 exactly. 145's full pair list is (1, 145), (5, 29), for 4 divisors in total. 145's divisors other than 145 itself sum to just 35, 110 below 145: the common deficient case. 145 is odd, digit sum 10 for 145; small divisors of 145 include 5. 145 has 4 divisors; 144 has 15 and 146 has 4, so 144 wins here. 145 divided by its largest divisor, 29, gives 5.