149972872 has 32 divisors (see below), whose sum is σ = 321765120. Its totient is φ = 64195200.

The previous prime is 149972843. The next prime is 149972873. The reversal of 149972872 is 278279941.

It is not an unprimeable number, because it can be changed into a prime (149972873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82372 + ... + 84172.

It is an arithmetic number, because the mean of its divisors is an integer number (10055160).

Almost surely, 2^149972872 is an apocalyptic number.

It is an amenable number.

149972872 is an abundant number, since it is smaller than the sum of its proper divisors (171792248).

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

149972872 is a wasteful number, since it uses less digits than its factorization.

149972872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301 (or 3297 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 149972872 is about 12246.3411678754. The cubic root of 149972872 is about 531.2972517694.

The spelling of 149972872 in words is "one hundred forty-nine million, nine hundred seventy-two thousand, eight hundred seventy-two".