157922232 has 128 divisors (see below), whose sum is σ = 452390400. Its totient is φ = 45568512.

The previous prime is 157922189. The next prime is 157922251. The reversal of 157922232 is 232229751.

It is a junction number, because it is equal to n+sod(n) for n = 157922193 and 157922202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423198 + ... + 423570.

It is an arithmetic number, because the mean of its divisors is an integer number (3534300).

Almost surely, 2^157922232 is an apocalyptic number.

157922232 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 157922232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226195200).

157922232 is an abundant number, since it is smaller than the sum of its proper divisors (294468168).

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

157922232 is a wasteful number, since it uses less digits than its factorization.

157922232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 473 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 157922232 is about 12566.7112642887. The cubic root of 157922232 is about 540.5233061509.

The spelling of 157922232 in words is "one hundred fifty-seven million, nine hundred twenty-two thousand, two hundred thirty-two".