149457976 has 8 divisors (see below), whose sum is σ = 280233720. Its totient is φ = 74728984.

The previous prime is 149457961. The next prime is 149457983. The reversal of 149457976 is 679754941.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 9341116 + ... + 9341131.

It is an arithmetic number, because the mean of its divisors is an integer number (35029215).

Almost surely, 2^149457976 is an apocalyptic number.

It is an amenable number.

149457976 is a deficient number, since it is larger than the sum of its proper divisors (130775744).

149457976 is a wasteful number, since it uses less digits than its factorization.

149457976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18682253 (or 18682249 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The square root of 149457976 is about 12225.3006506998. The cubic root of 149457976 is about 530.6885272371.

The spelling of 149457976 in words is "one hundred forty-nine million, four hundred fifty-seven thousand, nine hundred seventy-six".