150504021 has 16 divisors (see below), whose sum is σ = 223614720. Its totient is φ = 100045440.

The previous prime is 150504007. The next prime is 150504023. The reversal of 150504021 is 120405051.

It is not a de Polignac number, because 150504021 - 2⁶ = 150503957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150503985 and 150504003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150504023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (13975920).

Almost surely, 2^150504021 is an apocalyptic number.

It is an amenable number.

150504021 is a deficient number, since it is larger than the sum of its proper divisors (73110699).

150504021 is a wasteful number, since it uses less digits than its factorization.

150504021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153 (or 16147 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 150504021 is about 12268.0080290160. The cubic root of 150504021 is about 531.9237328719.

Adding to 150504021 its reverse (120405051), we get a palindrome (270909072).

The spelling of 150504021 in words is "one hundred fifty million, five hundred four thousand, twenty-one".