157256872 has 8 divisors (see below), whose sum is σ = 294856650. Its totient is φ = 78628432.

The previous prime is 157256857. The next prime is 157256881. The reversal of 157256872 is 278652751.

157256872 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 only one way, i.e., 111640356 + 45616516 = 10566^2 + 6754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9828547 + ... + 9828562.

Almost surely, 2^157256872 is an apocalyptic number.

It is an amenable number.

157256872 is a deficient number, since it is larger than the sum of its proper divisors (137599778).

157256872 is a wasteful number, since it uses less digits than its factorization.

157256872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19657115 (or 19657111 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 157256872 is about 12540.2102055747. The cubic root of 157256872 is about 539.7631242740.

The spelling of 157256872 in words is "one hundred fifty-seven million, two hundred fifty-six thousand, eight hundred seventy-two".