157272928 has 24 divisors (see below), whose sum is σ = 309920688. Its totient is φ = 78562944.

The previous prime is 157272911. The next prime is 157272931. The reversal of 157272928 is 829272751.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 52725 + ... + 55627.

It is an arithmetic number, because the mean of its divisors is an integer number (12913362).

Almost surely, 2^157272928 is an apocalyptic number.

It is an amenable number.

157272928 is a deficient number, since it is larger than the sum of its proper divisors (152647760).

157272928 is a wasteful number, since it uses less digits than its factorization.

157272928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4598 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 157272928 is about 12540.8503698912. The cubic root of 157272928 is about 539.7814936711.

The spelling of 157272928 in words is "one hundred fifty-seven million, two hundred seventy-two thousand, nine hundred twenty-eight".