149394904 has 8 divisors (see below), whose sum is σ = 280115460. Its totient is φ = 74697448.

The previous prime is 149394901. The next prime is 149394923. The reversal of 149394904 is 409493941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149394901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9337174 + ... + 9337189.

Almost surely, 2^149394904 is an apocalyptic number.

It is an amenable number.

149394904 is a deficient number, since it is larger than the sum of its proper divisors (130720556).

149394904 is a wasteful number, since it uses less digits than its factorization.

149394904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18674369 (or 18674365 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 149394904 is about 12222.7208100324. The cubic root of 149394904 is about 530.6138656785.

The spelling of 149394904 in words is "one hundred forty-nine million, three hundred ninety-four thousand, nine hundred four".