152220504 has 16 divisors (see below), whose sum is σ = 380551320. Its totient is φ = 50740160.

The previous prime is 152220503. The next prime is 152220511. The reversal of 152220504 is 405022251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152220503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3171237 + ... + 3171284.

Almost surely, 2^152220504 is an apocalyptic number.

It is an amenable number.

152220504 is an abundant number, since it is smaller than the sum of its proper divisors (228330816).

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

152220504 is a wasteful number, since it uses less digits than its factorization.

152220504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342530 (or 6342526 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 152220504 is about 12337.7673831208. The cubic root of 152220504 is about 533.9382722628.

Adding to 152220504 its reverse (405022251), we get a palindrome (557242755).

The spelling of 152220504 in words is "one hundred fifty-two million, two hundred twenty thousand, five hundred four".