152231504 has 20 divisors (see below), whose sum is σ = 299352864. Its totient is φ = 74979168.

The previous prime is 152231491. The next prime is 152231507. The reversal of 152231504 is 405132251.

It is a self number, because there is not a number n which added to its sum of digits gives 152231504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152231507) 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, 69932 + ... + 72075.

Almost surely, 2^152231504 is an apocalyptic number.

It is an amenable number.

152231504 is a deficient number, since it is larger than the sum of its proper divisors (147121360).

152231504 is a wasteful number, since it uses less digits than its factorization.

152231504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142082 (or 142076 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 152231504 is about 12338.2131607458. The cubic root of 152231504 is about 533.9511333850.

Adding to 152231504 its reverse (405132251), we get a palindrome (557363755).

The spelling of 152231504 in words is "one hundred fifty-two million, two hundred thirty-one thousand, five hundred four".