149401656 has 24 divisors (see below), whose sum is σ = 404629680. Its totient is φ = 49800528.

The previous prime is 149401619. The next prime is 149401669. The reversal of 149401656 is 656104941.

149401656 is a `hidden beast` number, since 1 + 494 + 0 + 165 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 149401656.

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 5 ways as a sum of consecutive naturals, for example, 1037440 + ... + 1037583.

It is an arithmetic number, because the mean of its divisors is an integer number (16859570).

Almost surely, 2^149401656 is an apocalyptic number.

It is an amenable number.

149401656 is an abundant number, since it is smaller than the sum of its proper divisors (255228024).

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

149401656 is a wasteful number, since it uses less digits than its factorization.

149401656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075035 (or 2075028 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 149401656 is about 12222.9970138260. The cubic root of 149401656 is about 530.6218593712.

The spelling of 149401656 in words is "one hundred forty-nine million, four hundred one thousand, six hundred fifty-six".