157973052 has 24 divisors (see below), whose sum is σ = 368811856. Its totient is φ = 52627968.

The previous prime is 157973033. The next prime is 157973059. The reversal of 157973052 is 250379751.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 157973052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157973059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32748 + ... + 37260.

Almost surely, 2^157973052 is an apocalyptic number.

157973052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157973052 is an abundant number, since it is smaller than the sum of its proper divisors (210838804).

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

157973052 is a wasteful number, since it uses less digits than its factorization.

157973052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7437 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 157973052 is about 12568.7331103815. The cubic root of 157973052 is about 540.5812807797.

The spelling of 157973052 in words is "one hundred fifty-seven million, nine hundred seventy-three thousand, fifty-two".