149131168 has 12 divisors (see below), whose sum is σ = 293602050. Its totient is φ = 74565568.

The previous prime is 149131139. The next prime is 149131183. The reversal of 149131168 is 861131941.

It can be written as a sum of positive squares in only one way, i.e., 106254864 + 42876304 = 10308^2 + 6548^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 2330143 + ... + 2330206.

Almost surely, 2^149131168 is an apocalyptic number.

It is an amenable number.

149131168 is a deficient number, since it is larger than the sum of its proper divisors (144470882).

149131168 is an equidigital number, since it uses as much as digits as its factorization.

149131168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660359 (or 4660351 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 149131168 is about 12211.9272844216. The cubic root of 149131168 is about 530.3014400090.

The spelling of 149131168 in words is "one hundred forty-nine million, one hundred thirty-one thousand, one hundred sixty-eight".