157265428 has 6 divisors (see below), whose sum is σ = 275214506. Its totient is φ = 78632712.

The previous prime is 157265411. The next prime is 157265441. The reversal of 157265428 is 824562751.

It can be written as a sum of positive squares in only one way, i.e., 80317444 + 76947984 = 8962^2 + 8772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19658175 + ... + 19658182.

Almost surely, 2^157265428 is an apocalyptic number.

It is an amenable number.

157265428 is a deficient number, since it is larger than the sum of its proper divisors (117949078).

157265428 is a wasteful number, since it uses less digits than its factorization.

157265428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39316361 (or 39316359 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 157265428 is about 12540.5513435415. The cubic root of 157265428 is about 539.7729132040.

The spelling of 157265428 in words is "one hundred fifty-seven million, two hundred sixty-five thousand, four hundred twenty-eight".