150520404 has 12 divisors (see below), whose sum is σ = 351214304. Its totient is φ = 50173464.

The previous prime is 150520361. The next prime is 150520421. The reversal of 150520404 is 404025051.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6271672 + ... + 6271695.

Almost surely, 2^150520404 is an apocalyptic number.

It is an amenable number.

150520404 is an abundant number, since it is smaller than the sum of its proper divisors (200693900).

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

150520404 is a wasteful number, since it uses less digits than its factorization.

150520404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543374 (or 12543372 counting only the distinct ones).

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

The square root of 150520404 is about 12268.6757231577. The cubic root of 150520404 is about 531.9430328886.

Adding to 150520404 its reverse (404025051), we get a palindrome (554545455).

The spelling of 150520404 in words is "one hundred fifty million, five hundred twenty thousand, four hundred four".