157204 has 6 divisors (see below), whose sum is σ = 275114. Its totient is φ = 78600.

The previous prime is 157189. The next prime is 157207. The reversal of 157204 is 402751.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 36100 = 348^2 + 190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19647 + ... + 19654.

2¹⁵⁷²⁰⁴ is an apocalyptic number.

It is an amenable number.

157204 is a deficient number, since it is larger than the sum of its proper divisors (117910).

157204 is a wasteful number, since it uses less digits than its factorization.

157204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39305 (or 39303 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 157204 is about 396.4895963326. The cubic root of 157204 is about 53.9702625477.

Adding to 157204 its reverse (402751), we get a palindrome (559955).

It can be divided in two parts, 157 and 204, that added together give a square (361 = 19²).

The spelling of 157204 in words is "one hundred fifty-seven thousand, two hundred four".