157263264 has 36 divisors (see below), whose sum is σ = 447218226. Its totient is φ = 52420992.

The previous prime is 157263263. The next prime is 157263299. The reversal of 157263264 is 462362751.

157263264 is a `hidden beast` number, since 1 + 572 + 63 + 26 + 4 = 666.

157263264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 157251600 + 11664 = 12540^2 + 108^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (157263263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272739 + ... + 273314.

Almost surely, 2^157263264 is an apocalyptic number.

It is an amenable number.

157263264 is an abundant number, since it is smaller than the sum of its proper divisors (289954962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157263264 is a wasteful number, since it uses less digits than its factorization.

157263264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546069 (or 546058 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 157263264 is about 12540.4650631466. The cubic root of 157263264 is about 539.7704374025.

The spelling of 157263264 in words is "one hundred fifty-seven million, two hundred sixty-three thousand, two hundred sixty-four".