149803504 has 20 divisors (see below), whose sum is σ = 297324720. Its totient is φ = 73074560.

The previous prime is 149803483. The next prime is 149803517. The reversal of 149803504 is 405308941.

It is a self number, because there is not a number n which added to its sum of digits gives 149803504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113524 + ... + 114835.

It is an arithmetic number, because the mean of its divisors is an integer number (14866236).

Almost surely, 2^149803504 is an apocalyptic number.

It is an amenable number.

149803504 is a deficient number, since it is larger than the sum of its proper divisors (147521216).

149803504 is a wasteful number, since it uses less digits than its factorization.

149803504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228408 (or 228402 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 149803504 is about 12239.4241694616. The cubic root of 149803504 is about 531.0971741443.

The spelling of 149803504 in words is "one hundred forty-nine million, eight hundred three thousand, five hundred four".