157226512 has 20 divisors (see below), whose sum is σ = 304869376. Its totient is φ = 78550560.

The previous prime is 157226507. The next prime is 157226527. The reversal of 157226512 is 215622751.

It is a super-2 number, since 2×157226512² = 49440352151372288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21937 + ... + 28207.

Almost surely, 2^157226512 is an apocalyptic number.

It is an amenable number.

157226512 is a deficient number, since it is larger than the sum of its proper divisors (147642864).

157226512 is a wasteful number, since it uses less digits than its factorization.

157226512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846 (or 7840 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 157226512 is about 12538.9996411197. Note that the first 3 decimals coincide. The cubic root of 157226512 is about 539.7283864956.

The spelling of 157226512 in words is "one hundred fifty-seven million, two hundred twenty-six thousand, five hundred twelve".