18568045 has 16 divisors (see below), whose sum is σ = 23158080. Its totient is φ = 14281344.

The previous prime is 18568019. The next prime is 18568049. The reversal of 18568045 is 54086581.

It is a cyclic number.

It is not a de Polignac number, because 18568045 - 2⁹ = 18567533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18567995 and 18568013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18568049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13761 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (1447380).

Almost surely, 2^18568045 is an apocalyptic number.

It is an amenable number.

18568045 is a deficient number, since it is larger than the sum of its proper divisors (4590035).

18568045 is a wasteful number, since it uses less digits than its factorization.

18568045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 18568045 is about 4309.0654439217. The cubic root of 18568045 is about 264.8024872136.

The spelling of 18568045 in words is "eighteen million, five hundred sixty-eight thousand, forty-five".