149605656 has 32 divisors (see below), whose sum is σ = 374953200. Its totient is φ = 49743360.

The previous prime is 149605649. The next prime is 149605663. The reversal of 149605656 is 656506941.

It is an interprime number because it is at equal distance from previous prime (149605649) and next prime (149605663).

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 7 ways as a sum of consecutive naturals, for example, 2196 + ... + 17436.

Almost surely, 2^149605656 is an apocalyptic number.

It is an amenable number.

149605656 is an abundant number, since it is smaller than the sum of its proper divisors (225347544).

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

149605656 is a wasteful number, since it uses less digits than its factorization.

149605656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15659 (or 15655 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 149605656 is about 12231.3390926750. The cubic root of 149605656 is about 530.8632614884.

The spelling of 149605656 in words is "one hundred forty-nine million, six hundred five thousand, six hundred fifty-six".