149033904 has 40 divisors (see below), whose sum is σ = 388985520. Its totient is φ = 49164288.

The previous prime is 149033903. The next prime is 149033909. The reversal of 149033904 is 409330941.

It is a super-2 number, since 2×149033904² = 44422209082962432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149033903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11349 + ... + 20660.

It is an arithmetic number, because the mean of its divisors is an integer number (9724638).

Almost surely, 2^149033904 is an apocalyptic number.

It is an amenable number.

149033904 is an abundant number, since it is smaller than the sum of its proper divisors (239951616).

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

149033904 is a wasteful number, since it uses less digits than its factorization.

149033904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32117 (or 32111 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 149033904 is about 12207.9442986934. The cubic root of 149033904 is about 530.1861266299.

The spelling of 149033904 in words is "one hundred forty-nine million, thirty-three thousand, nine hundred four".