157226928 has 40 divisors (see below), whose sum is σ = 407490288. Its totient is φ = 52238592.

The previous prime is 157226911. The next prime is 157226939. The reversal of 157226928 is 829622751.

It is a self number, because there is not a number n which added to its sum of digits gives 157226928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10050 + ... + 20382.

Almost surely, 2^157226928 is an apocalyptic number.

It is an amenable number.

157226928 is an abundant number, since it is smaller than the sum of its proper divisors (250263360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157226928 is a wasteful number, since it uses less digits than its factorization.

157226928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661 (or 10655 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 157226928 is about 12539.0162293539. The cubic root of 157226928 is about 539.7288625112.

The spelling of 157226928 in words is "one hundred fifty-seven million, two hundred twenty-six thousand, nine hundred twenty-eight".