157453568 has 18 divisors (see below), whose sum is σ = 314292594. Its totient is φ = 78726656.

The previous prime is 157453553. The next prime is 157453577. The reversal of 157453568 is 865354751.

It can be written as a sum of positive squares in only one way, i.e., 80856064 + 76597504 = 8992^2 + 8752^2 .

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, 307271 + ... + 307782.

Almost surely, 2^157453568 is an apocalyptic number.

It is an amenable number.

157453568 is a deficient number, since it is larger than the sum of its proper divisors (156839026).

157453568 is an frugal number, since it uses more digits than its factorization.

157453568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615069 (or 615055 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 157453568 is about 12548.0503664912. The cubic root of 157453568 is about 539.9880747252.

The spelling of 157453568 in words is "one hundred fifty-seven million, four hundred fifty-three thousand, five hundred sixty-eight".