149776864 has 12 divisors (see below), whose sum is σ = 294873264. Its totient is φ = 74888416.

The previous prime is 149776859. The next prime is 149776871. The reversal of 149776864 is 468677941.

149776864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2340232 + ... + 2340295.

It is an arithmetic number, because the mean of its divisors is an integer number (24572772).

Almost surely, 2^149776864 is an apocalyptic number.

It is an amenable number.

149776864 is a deficient number, since it is larger than the sum of its proper divisors (145096400).

149776864 is an equidigital number, since it uses as much as digits as its factorization.

149776864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680537 (or 4680529 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 149776864 is about 12238.3358345814. The cubic root of 149776864 is about 531.0656900844.

The spelling of 149776864 in words is "one hundred forty-nine million, seven hundred seventy-six thousand, eight hundred sixty-four".