149175664 has 20 divisors (see below), whose sum is σ = 315303480. Its totient is φ = 67807040.

The previous prime is 149175641. The next prime is 149175667. The reversal of 149175664 is 466571941.

It is a self number, because there is not a number n which added to its sum of digits gives 149175664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149175667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 423619 + ... + 423970.

It is an arithmetic number, because the mean of its divisors is an integer number (15765174).

Almost surely, 2^149175664 is an apocalyptic number.

It is an amenable number.

149175664 is an abundant number, since it is smaller than the sum of its proper divisors (166127816).

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

149175664 is a wasteful number, since it uses less digits than its factorization.

149175664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847608 (or 847602 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 149175664 is about 12213.7489740047. The cubic root of 149175664 is about 530.3541764619.

The spelling of 149175664 in words is "one hundred forty-nine million, one hundred seventy-five thousand, six hundred sixty-four".