148931908 has 24 divisors (see below), whose sum is σ = 271216512. Its totient is φ = 71501664.

The previous prime is 148931897. The next prime is 148931929. The reversal of 148931908 is 809139841.

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, 2491 + ... + 17437.

It is an arithmetic number, because the mean of its divisors is an integer number (11300688).

Almost surely, 2^148931908 is an apocalyptic number.

It is an amenable number.

148931908 is a deficient number, since it is larger than the sum of its proper divisors (122284604).

148931908 is a wasteful number, since it uses less digits than its factorization.

148931908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051 (or 15049 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 148931908 is about 12203.7661400078. The cubic root of 148931908 is about 530.0651492240.

The spelling of 148931908 in words is "one hundred forty-eight million, nine hundred thirty-one thousand, nine hundred eight".