157393204 has 6 divisors (see below), whose sum is σ = 275438114. Its totient is φ = 78696600.

The previous prime is 157393193. The next prime is 157393217. The reversal of 157393204 is 402393751.

It can be written as a sum of positive squares in only one way, i.e., 155052304 + 2340900 = 12452^2 + 1530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157393204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19674147 + ... + 19674154.

Almost surely, 2^157393204 is an apocalyptic number.

It is an amenable number.

157393204 is a deficient number, since it is larger than the sum of its proper divisors (118044910).

157393204 is a wasteful number, since it uses less digits than its factorization.

157393204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39348305 (or 39348303 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 157393204 is about 12545.6448220090. The cubic root of 157393204 is about 539.9190596563.

The spelling of 157393204 in words is "one hundred fifty-seven million, three hundred ninety-three thousand, two hundred four".