149415656 has 64 divisors (see below), whose sum is σ = 315705600. Its totient is φ = 65818368.

The previous prime is 149415653. The next prime is 149415661. The reversal of 149415656 is 656514941.

It is not an unprimeable number, because it can be changed into a prime (149415653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322481 + ... + 322943.

It is an arithmetic number, because the mean of its divisors is an integer number (4932900).

Almost surely, 2^149415656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149415656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157852800).

149415656 is an abundant number, since it is smaller than the sum of its proper divisors (166289944).

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

149415656 is a wasteful number, since it uses less digits than its factorization.

149415656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 614 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 149415656 is about 12223.5696913790. The cubic root of 149415656 is about 530.6384332035.

The spelling of 149415656 in words is "one hundred forty-nine million, four hundred fifteen thousand, six hundred fifty-six".