149477964 has 24 divisors (see below), whose sum is σ = 357289968. Its totient is φ = 48610560.

The previous prime is 149477947. The next prime is 149477971. The reversal of 149477964 is 469774941.

149477964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 151417 + ... + 152400.

It is an arithmetic number, because the mean of its divisors is an integer number (14887082).

Almost surely, 2^149477964 is an apocalyptic number.

It is an amenable number.

149477964 is an abundant number, since it is smaller than the sum of its proper divisors (207812004).

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

149477964 is a wasteful number, since it uses less digits than its factorization.

149477964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303865 (or 303863 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 149477964 is about 12226.1181083777. The cubic root of 149477964 is about 530.7121836738.

The spelling of 149477964 in words is "one hundred forty-nine million, four hundred seventy-seven thousand, nine hundred sixty-four".