157243632 has 80 divisors (see below), whose sum is σ = 499968000. Its totient is φ = 41469696.

The previous prime is 157243609. The next prime is 157243643. The reversal of 157243632 is 236342751.

It is a junction number, because it is equal to n+sod(n) for n = 157243593 and 157243602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13632 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (6249600).

Almost surely, 2^157243632 is an apocalyptic number.

157243632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157243632 is an abundant number, since it is smaller than the sum of its proper divisors (342724368).

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

157243632 is a wasteful number, since it uses less digits than its factorization.

157243632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36030 (or 36024 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 157243632 is about 12539.6822926261. The cubic root of 157243632 is about 539.7479756741.

The spelling of 157243632 in words is "one hundred fifty-seven million, two hundred forty-three thousand, six hundred thirty-two".