149157516 has 12 divisors (see below), whose sum is σ = 348034232. Its totient is φ = 49719168.

The previous prime is 149157479. The next prime is 149157521. The reversal of 149157516 is 615751941.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6214885 + ... + 6214908.

Almost surely, 2^149157516 is an apocalyptic number.

It is an amenable number.

149157516 is an abundant number, since it is smaller than the sum of its proper divisors (198876716).

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

149157516 is a wasteful number, since it uses less digits than its factorization.

149157516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12429800 (or 12429798 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The square root of 149157516 is about 12213.0060181759. The cubic root of 149157516 is about 530.3326688029.

The spelling of 149157516 in words is "one hundred forty-nine million, one hundred fifty-seven thousand, five hundred sixteen".