149514816 has 56 divisors (see below), whose sum is σ = 431560224. Its totient is φ = 45306880.

The previous prime is 149514803. The next prime is 149514821. The reversal of 149514816 is 618415941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33285 + ... + 37508.

Almost surely, 2^149514816 is an apocalyptic number.

149514816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149514816 is an abundant number, since it is smaller than the sum of its proper divisors (282045408).

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

149514816 is a wasteful number, since it uses less digits than its factorization.

149514816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70819 (or 70809 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 149514816 is about 12227.6251169227. The cubic root of 149514816 is about 530.7557936656.

The spelling of 149514816 in words is "one hundred forty-nine million, five hundred fourteen thousand, eight hundred sixteen".