157289132 has 96 divisors (see below), whose sum is σ = 373384704. Its totient is φ = 55987200.

The previous prime is 157289131. The next prime is 157289147. The reversal of 157289132 is 231982751.

157289132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157289131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652532 + ... + 652772.

It is an arithmetic number, because the mean of its divisors is an integer number (3889424).

Almost surely, 2^157289132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157289132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186692352).

157289132 is an abundant number, since it is smaller than the sum of its proper divisors (216095572).

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

157289132 is a wasteful number, since it uses less digits than its factorization.

157289132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 157289132 is about 12541.4964019450. The cubic root of 157289132 is about 539.8000311250.

The spelling of 157289132 in words is "one hundred fifty-seven million, two hundred eighty-nine thousand, one hundred thirty-two".