149031472 has 20 divisors (see below), whose sum is σ = 289032840. Its totient is φ = 74442368.

The previous prime is 149031451. The next prime is 149031481. The reversal of 149031472 is 274130941.

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, 14604 + ... + 22612.

It is an arithmetic number, because the mean of its divisors is an integer number (14451642).

Almost surely, 2^149031472 is an apocalyptic number.

It is an amenable number.

149031472 is a deficient number, since it is larger than the sum of its proper divisors (140001368).

149031472 is a wasteful number, since it uses less digits than its factorization.

149031472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180 (or 9174 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 149031472 is about 12207.8446910173. The cubic root of 149031472 is about 530.1832426783.

The spelling of 149031472 in words is "one hundred forty-nine million, thirty-one thousand, four hundred seventy-two".