18805148 has 12 divisors (see below), whose sum is σ = 33080880. Its totient is φ = 9353472.

The previous prime is 18805133. The next prime is 18805159. The reversal of 18805148 is 84150881.

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, 11408 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (2756740).

Almost surely, 2^18805148 is an apocalyptic number.

It is an amenable number.

18805148 is a deficient number, since it is larger than the sum of its proper divisors (14275732).

18805148 is a wasteful number, since it uses less digits than its factorization.

18805148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24556 (or 24554 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 18805148 is about 4336.4902859340. The cubic root of 18805148 is about 265.9248473316.

The spelling of 18805148 in words is "eighteen million, eight hundred five thousand, one hundred forty-eight".