149495904 has 36 divisors (see below), whose sum is σ = 425129796. Its totient is φ = 49831872.

The previous prime is 149495903. The next prime is 149495921. The reversal of 149495904 is 409594941.

149495904 is a `hidden beast` number, since 14 + 9 + 49 + 590 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 149495904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149495903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259254 + ... + 259829.

It is an arithmetic number, because the mean of its divisors is an integer number (11809161).

Almost surely, 2^149495904 is an apocalyptic number.

It is an amenable number.

149495904 is an abundant number, since it is smaller than the sum of its proper divisors (275633892).

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

149495904 is a wasteful number, since it uses less digits than its factorization.

149495904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519099 (or 519088 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 149495904 is about 12226.8517615942. The cubic root of 149495904 is about 530.7334144413.

The spelling of 149495904 in words is "one hundred forty-nine million, four hundred ninety-five thousand, nine hundred four".