18465132 has 24 divisors (see below), whose sum is σ = 49240576. Its totient is φ = 5275728.

The previous prime is 18465121. The next prime is 18465137. The reversal of 18465132 is 23156481.

It is a super-2 number, since 2×18465132² = 681922199554848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18465132.

It is not an unprimeable number, because it can be changed into a prime (18465137) by changing a digit.

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, 109828 + ... + 109995.

Almost surely, 2^18465132 is an apocalyptic number.

18465132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18465132 is an abundant number, since it is smaller than the sum of its proper divisors (30775444).

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

18465132 is a wasteful number, since it uses less digits than its factorization.

18465132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219837 (or 219835 counting only the distinct ones).

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

The square root of 18465132 is about 4297.1073991698. The cubic root of 18465132 is about 264.3123598443.

The spelling of 18465132 in words is "eighteen million, four hundred sixty-five thousand, one hundred thirty-two".