18450152 has 32 divisors (see below), whose sum is σ = 39673920. Its totient is φ = 7879680.

The previous prime is 18450149. The next prime is 18450167. The reversal of 18450152 is 25105481.

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, 31688 + ... + 32264.

It is an arithmetic number, because the mean of its divisors is an integer number (1239810).

Almost surely, 2^18450152 is an apocalyptic number.

It is an amenable number.

18450152 is an abundant number, since it is smaller than the sum of its proper divisors (21223768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18450152 is a wasteful number, since it uses less digits than its factorization.

18450152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 18450152 is about 4295.3640125140. The cubic root of 18450152 is about 264.2408652687.

The spelling of 18450152 in words is "eighteen million, four hundred fifty thousand, one hundred fifty-two".