157633945 has 16 divisors (see below), whose sum is σ = 228901248. Its totient is φ = 101733120.

The previous prime is 157633939. The next prime is 157633961. The reversal of 157633945 is 549336751.

157633945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157633945 - 2²⁵ = 124079513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131871 + ... + 133060.

It is an arithmetic number, because the mean of its divisors is an integer number (14306328).

Almost surely, 2^157633945 is an apocalyptic number.

It is an amenable number.

157633945 is a deficient number, since it is larger than the sum of its proper divisors (71267303).

157633945 is a wasteful number, since it uses less digits than its factorization.

157633945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264960.

The product of its digits is 340200, while the sum is 43.

The square root of 157633945 is about 12555.2357604308. The cubic root of 157633945 is about 540.1941974145.

The spelling of 157633945 in words is "one hundred fifty-seven million, six hundred thirty-three thousand, nine hundred forty-five".