149407616 has 32 divisors (see below), whose sum is σ = 298258200. Its totient is φ = 74550784.

The previous prime is 149407597. The next prime is 149407627. The reversal of 149407616 is 616704941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 149407616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86570 + ... + 88278.

Almost surely, 2^149407616 is an apocalyptic number.

149407616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149407616 is a deficient number, since it is larger than the sum of its proper divisors (148850584).

149407616 is an equidigital number, since it uses as much as digits as its factorization.

149407616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 149407616 is about 12223.2408141213. The cubic root of 149407616 is about 530.6289152149.

The spelling of 149407616 in words is "one hundred forty-nine million, four hundred seven thousand, six hundred sixteen".