149497904 has 20 divisors (see below), whose sum is σ = 293977464. Its totient is φ = 73632768.

The previous prime is 149497897. The next prime is 149497913. The reversal of 149497904 is 409794941.

149497904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 68657 + ... + 70800.

Almost surely, 2^149497904 is an apocalyptic number.

It is an amenable number.

149497904 is a deficient number, since it is larger than the sum of its proper divisors (144479560).

149497904 is a wasteful number, since it uses less digits than its factorization.

149497904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139532 (or 139526 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 149497904 is about 12226.9335485231. The cubic root of 149497904 is about 530.7357811998.

The spelling of 149497904 in words is "one hundred forty-nine million, four hundred ninety-seven thousand, nine hundred four".