149212164 has 12 divisors (see below), whose sum is σ = 348161744. Its totient is φ = 49737384.

The previous prime is 149212159. The next prime is 149212177. The reversal of 149212164 is 461212941.

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, 6217162 + ... + 6217185.

Almost surely, 2^149212164 is an apocalyptic number.

It is an amenable number.

149212164 is an abundant number, since it is smaller than the sum of its proper divisors (198949580).

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

149212164 is a wasteful number, since it uses less digits than its factorization.

149212164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434354 (or 12434352 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 149212164 is about 12215.2431003235. The cubic root of 149212164 is about 530.3974282639.

The spelling of 149212164 in words is "one hundred forty-nine million, two hundred twelve thousand, one hundred sixty-four".