149271164 has 24 divisors (see below), whose sum is σ = 299042688. Its totient is φ = 63866160.

The previous prime is 149271151. The next prime is 149271191. The reversal of 149271164 is 461172941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13859 + ... + 22149.

It is an arithmetic number, because the mean of its divisors is an integer number (12460112).

Almost surely, 2^149271164 is an apocalyptic number.

149271164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149271164 is an abundant number, since it is smaller than the sum of its proper divisors (149771524).

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

149271164 is a wasteful number, since it uses less digits than its factorization.

149271164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945 (or 8943 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 149271164 is about 12217.6578770237. The cubic root of 149271164 is about 530.4673272224.

The spelling of 149271164 in words is "one hundred forty-nine million, two hundred seventy-one thousand, one hundred sixty-four".