157561032 has 64 divisors (see below), whose sum is σ = 427291200. Its totient is φ = 48220160.

The previous prime is 157561021. The next prime is 157561037. The reversal of 157561032 is 230165751.

It is not an unprimeable number, because it can be changed into a prime (157561037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12019 + ... + 21437.

It is an arithmetic number, because the mean of its divisors is an integer number (6676425).

Almost surely, 2^157561032 is an apocalyptic number.

157561032 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 157561032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213645600).

157561032 is an abundant number, since it is smaller than the sum of its proper divisors (269730168).

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

157561032 is a wasteful number, since it uses less digits than its factorization.

157561032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486 (or 9482 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 157561032 is about 12552.3317355781. The cubic root of 157561032 is about 540.1108962916.

The spelling of 157561032 in words is "one hundred fifty-seven million, five hundred sixty-one thousand, thirty-two".