18345148 has 6 divisors (see below), whose sum is σ = 32104016. Its totient is φ = 9172572.

The previous prime is 18345137. The next prime is 18345157. The reversal of 18345148 is 84154381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2293140 + ... + 2293147.

Almost surely, 2^18345148 is an apocalyptic number.

It is an amenable number.

18345148 is a deficient number, since it is larger than the sum of its proper divisors (13758868).

18345148 is a wasteful number, since it uses less digits than its factorization.

18345148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586291 (or 4586289 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 18345148 is about 4283.1236265137. The cubic root of 18345148 is about 263.7386263748.

The spelling of 18345148 in words is "eighteen million, three hundred forty-five thousand, one hundred forty-eight".