149369904 has 60 divisors (see below), whose sum is σ = 431525952. Its totient is φ = 48182400.

The previous prime is 149369903. The next prime is 149369959. The reversal of 149369904 is 409963941.

It is a super-2 number, since 2×149369904² = 44622736441938432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149369904.

It is not an unprimeable number, because it can be changed into a prime (149369903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12267 + ... + 21194.

Almost surely, 2^149369904 is an apocalyptic number.

It is an amenable number.

149369904 is an abundant number, since it is smaller than the sum of its proper divisors (282156048).

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

149369904 is a wasteful number, since it uses less digits than its factorization.

149369904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33506 (or 33497 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 149369904 is about 12221.6980816906. The cubic root of 149369904 is about 530.5842660819.

The spelling of 149369904 in words is "one hundred forty-nine million, three hundred sixty-nine thousand, nine hundred four".