18364045 has 16 divisors (see below), whose sum is σ = 25614720. Its totient is φ = 12377664.

The previous prime is 18364039. The next prime is 18364057. The reversal of 18364045 is 54046381.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18364045 - 2³ = 18364037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18363998 and 18364016.

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 15 ways as a sum of consecutive naturals, for example, 2382 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (1600920).

Almost surely, 2^18364045 is an apocalyptic number.

It is an amenable number.

18364045 is a deficient number, since it is larger than the sum of its proper divisors (7250675).

18364045 is an equidigital number, since it uses as much as digits as its factorization.

18364045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 18364045 is about 4285.3290422090. The cubic root of 18364045 is about 263.8291527370.

The spelling of 18364045 in words is "eighteen million, three hundred sixty-four thousand, forty-five".