18045084 has 24 divisors (see below), whose sum is σ = 43133328. Its totient is φ = 5868160.

The previous prime is 18045067. The next prime is 18045173. The reversal of 18045084 is 48054081.

It is a plaindrome in base 16.

It is a congruent number.

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, 17847 + ... + 18830.

It is an arithmetic number, because the mean of its divisors is an integer number (1797222).

Almost surely, 2^18045084 is an apocalyptic number.

It is an amenable number.

18045084 is an abundant number, since it is smaller than the sum of its proper divisors (25088244).

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

18045084 is a wasteful number, since it uses less digits than its factorization.

18045084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36725 (or 36723 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18045084 is about 4247.9505646841. The cubic root of 18045084 is about 262.2927597857.

The spelling of 18045084 in words is "eighteen million, forty-five thousand, eighty-four".