157353972 has 48 divisors (see below), whose sum is σ = 409227840. Its totient is φ = 46766592.

The previous prime is 157353967. The next prime is 157353997. The reversal of 157353972 is 279353751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16423 + ... + 24174.

It is an arithmetic number, because the mean of its divisors is an integer number (8525580).

Almost surely, 2^157353972 is an apocalyptic number.

157353972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157353972 is an abundant number, since it is smaller than the sum of its proper divisors (251873868).

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

157353972 is a wasteful number, since it uses less digits than its factorization.

157353972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40640 (or 40638 counting only the distinct ones).

The product of its digits is 198450, while the sum is 42.

The square root of 157353972 is about 12544.0811540742. The cubic root of 157353972 is about 539.8741956592.

The spelling of 157353972 in words is "one hundred fifty-seven million, three hundred fifty-three thousand, nine hundred seventy-two".