157633157 has 12 divisors (see below), whose sum is σ = 174099744. Its totient is φ = 141531120.

The previous prime is 157633153. The next prime is 157633199. The reversal of 157633157 is 751336751.

It is not a de Polignac number, because 157633157 - 2² = 157633153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157633157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157633153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422423 + ... + 422795.

It is an arithmetic number, because the mean of its divisors is an integer number (14508312).

Almost surely, 2^157633157 is an apocalyptic number.

It is an amenable number.

157633157 is a deficient number, since it is larger than the sum of its proper divisors (16466587).

157633157 is an equidigital number, since it uses as much as digits as its factorization.

157633157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 487 counting only the distinct ones).

The product of its digits is 66150, while the sum is 38.

The square root of 157633157 is about 12555.2043790613. The cubic root of 157633157 is about 540.1932972832.

The spelling of 157633157 in words is "one hundred fifty-seven million, six hundred thirty-three thousand, one hundred fifty-seven".