149274868 has 12 divisors (see below), whose sum is σ = 274980160. Its totient is φ = 70709112.

The previous prime is 149274847. The next prime is 149274877. The reversal of 149274868 is 868472941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981996 + ... + 982147.

Almost surely, 2^149274868 is an apocalyptic number.

It is an amenable number.

149274868 is a deficient number, since it is larger than the sum of its proper divisors (125705292).

149274868 is a wasteful number, since it uses less digits than its factorization.

149274868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964166 (or 1964164 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 149274868 is about 12217.8094599646. The cubic root of 149274868 is about 530.4717148408.

The spelling of 149274868 in words is "one hundred forty-nine million, two hundred seventy-four thousand, eight hundred sixty-eight".