18325146 has 16 divisors (see below), whose sum is σ = 41886144. Its totient is φ = 5235744.

The previous prime is 18325127. The next prime is 18325147. The reversal of 18325146 is 64152381.

It is not an unprimeable number, because it can be changed into a prime (18325147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218115 + ... + 218198.

It is an arithmetic number, because the mean of its divisors is an integer number (2617884).

Almost surely, 2^18325146 is an apocalyptic number.

18325146 is an abundant number, since it is smaller than the sum of its proper divisors (23560998).

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

18325146 is a wasteful number, since it uses less digits than its factorization.

18325146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436325.

The product of its digits is 5760, while the sum is 30.

The square root of 18325146 is about 4280.7880115698. The cubic root of 18325146 is about 263.6427387425.

The spelling of 18325146 in words is "eighteen million, three hundred twenty-five thousand, one hundred forty-six".