157511272 has 16 divisors (see below), whose sum is σ = 300176100. Its totient is φ = 77464320.

The previous prime is 157511269. The next prime is 157511293. The reversal of 157511272 is 272115751.

157511272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98128836 + 59382436 = 9906^2 + 7706^2 .

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, 160897 + ... + 161872.

Almost surely, 2^157511272 is an apocalyptic number.

It is an amenable number.

157511272 is a deficient number, since it is larger than the sum of its proper divisors (142664828).

157511272 is a wasteful number, since it uses less digits than its factorization.

157511272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322836 (or 322832 counting only the distinct ones).

The product of its digits is 4900, while the sum is 31.

The square root of 157511272 is about 12550.3494772058. The cubic root of 157511272 is about 540.0540320877.

The spelling of 157511272 in words is "one hundred fifty-seven million, five hundred eleven thousand, two hundred seventy-two".