Factors / Factors of 149

Factors of 149

1, 149

149 is prime: only factor pair is (1, 149), confirmed by trial division up to √149 ≈ 12.2 turning up nothing else. 149's full pair list is (1, 149), for 2 divisors in total. 149's divisors other than 149 itself sum to just 1, 148 below 149: the common deficient case. 149 is odd, digit sum 14 for 149; none of 2-12 divide 149 evenly. 149 has 2 divisors; 148 has 6 and 150 has 12, so 150 wins here. 149 divided by its largest divisor, 1, gives 149.