152399056 has 10 divisors (see below), whose sum is σ = 295273202. Its totient is φ = 76199520.

The previous prime is 152399047. The next prime is 152399087. The reversal of 152399056 is 650993251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149230656 + 3168400 = 12216^2 + 1780^2 .

It is a super-2 number, since 2×152399056² = 46450944539382272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4762455 + ... + 4762486.

Almost surely, 2^152399056 is an apocalyptic number.

152399056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

152399056 is a deficient number, since it is larger than the sum of its proper divisors (142874146).

152399056 is an equidigital number, since it uses as much as digits as its factorization.

152399056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524949 (or 9524943 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 152399056 is about 12345.0012555690. The cubic root of 152399056 is about 534.1469574540.

The spelling of 152399056 in words is "one hundred fifty-two million, three hundred ninety-nine thousand, fifty-six".