149512938 has 32 divisors (see below), whose sum is σ = 324925440. Its totient is φ = 45690480.

The previous prime is 149512927. The next prime is 149512981. The reversal of 149512938 is 839215941.

149512938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149512938.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17620 + ... + 24687.

It is an arithmetic number, because the mean of its divisors is an integer number (10153920).

Almost surely, 2^149512938 is an apocalyptic number.

149512938 is an abundant number, since it is smaller than the sum of its proper divisors (175412502).

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

149512938 is a wasteful number, since it uses less digits than its factorization.

149512938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42362.

The product of its digits is 77760, while the sum is 42.

The square root of 149512938 is about 12227.5483233557. The cubic root of 149512938 is about 530.7535714476.

The spelling of 149512938 in words is "one hundred forty-nine million, five hundred twelve thousand, nine hundred thirty-eight".