149725868 has 24 divisors (see below), whose sum is σ = 277830000. Its totient is φ = 70358528.

The previous prime is 149725867. The next prime is 149725897. The reversal of 149725868 is 868527941.

It is not an unprimeable number, because it can be changed into a prime (149725861) 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 7 ways as a sum of consecutive naturals, for example, 70283 + ... + 72381.

It is an arithmetic number, because the mean of its divisors is an integer number (11576250).

Almost surely, 2^149725868 is an apocalyptic number.

It is an amenable number.

149725868 is a deficient number, since it is larger than the sum of its proper divisors (128104132).

149725868 is a wasteful number, since it uses less digits than its factorization.

149725868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169 (or 3167 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 149725868 is about 12236.2522040043. The cubic root of 149725868 is about 531.0054108587.

The spelling of 149725868 in words is "one hundred forty-nine million, seven hundred twenty-five thousand, eight hundred sixty-eight".