157663232 has 30 divisors (see below), whose sum is σ = 315349608. Its totient is φ = 78823424.

The previous prime is 157663213. The next prime is 157663243. The reversal of 157663232 is 232366751.

It is a junction number, because it is equal to n+sod(n) for n = 157663192 and 157663201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11573 + ... + 21195.

Almost surely, 2^157663232 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 157663232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157674804).

157663232 is an abundant number, since it is smaller than the sum of its proper divisors (157686376).

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

157663232 is an frugal number, since it uses more digits than its factorization.

157663232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651 (or 9625 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 157663232 is about 12556.4020324295. The cubic root of 157663232 is about 540.2276497858.

The spelling of 157663232 in words is "one hundred fifty-seven million, six hundred sixty-three thousand, two hundred thirty-two".