149975164 has 6 divisors (see below), whose sum is σ = 262456544. Its totient is φ = 74987580.

The previous prime is 149975143. The next prime is 149975183. The reversal of 149975164 is 461579941.

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 as a sum of consecutive naturals, namely, 18746892 + ... + 18746899.

Almost surely, 2^149975164 is an apocalyptic number.

It is an amenable number.

149975164 is a deficient number, since it is larger than the sum of its proper divisors (112481380).

149975164 is a wasteful number, since it uses less digits than its factorization.

149975164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37493795 (or 37493793 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 149975164 is about 12246.4347464885. The cubic root of 149975164 is about 531.2999583191.

The spelling of 149975164 in words is "one hundred forty-nine million, nine hundred seventy-five thousand, one hundred sixty-four".