149818408 has 32 divisors (see below), whose sum is σ = 291456000. Its totient is φ = 72112320.

The previous prime is 149818397. The next prime is 149818423. The reversal of 149818408 is 804818941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101113 + ... + 102583.

It is an arithmetic number, because the mean of its divisors is an integer number (9108000).

Almost surely, 2^149818408 is an apocalyptic number.

It is an amenable number.

149818408 is a deficient number, since it is larger than the sum of its proper divisors (141637592).

149818408 is a wasteful number, since it uses less digits than its factorization.

149818408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 149818408 is about 12240.0330064914. The cubic root of 149818408 is about 531.1147865712.

The spelling of 149818408 in words is "one hundred forty-nine million, eight hundred eighteen thousand, four hundred eight".