157311552 has 56 divisors (see below), whose sum is σ = 417405312. Its totient is φ = 52288000.

The previous prime is 157311533. The next prime is 157311563. The reversal of 157311552 is 255113751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81802 + ... + 83702.

Almost surely, 2^157311552 is an apocalyptic number.

157311552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157311552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208702656).

157311552 is an abundant number, since it is smaller than the sum of its proper divisors (260093760).

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

157311552 is a wasteful number, since it uses less digits than its factorization.

157311552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2337 counting only the distinct ones).

The product of its digits is 5250, while the sum is 30.

The square root of 157311552 is about 12542.3902028282. The cubic root of 157311552 is about 539.8256776135.

The spelling of 157311552 in words is "one hundred fifty-seven million, three hundred eleven thousand, five hundred fifty-two".