172304152 has 16 divisors (see below), whose sum is σ = 323560440. Its totient is φ = 86021376.

The previous prime is 172304029. The next prime is 172304161. The reversal of 172304152 is 251403271.

It is a happy number.

172304152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 10618 + ... + 21385.

Almost surely, 2^172304152 is an apocalyptic number.

It is an amenable number.

172304152 is a deficient number, since it is larger than the sum of its proper divisors (151256288).

172304152 is a wasteful number, since it uses less digits than its factorization.

172304152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32682 (or 32678 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 172304152 is about 13126.4676131852. The cubic root of 172304152 is about 556.4573897893.

The spelling of 172304152 in words is "one hundred seventy-two million, three hundred four thousand, one hundred fifty-two".