18245085 has 8 divisors (see below), whose sum is σ = 29192160. Its totient is φ = 9730704.

The previous prime is 18245077. The next prime is 18245137. The reversal of 18245085 is 58054281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18245085 - 2³ = 18245077 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608155 + ... + 608184.

It is an arithmetic number, because the mean of its divisors is an integer number (3649020).

Almost surely, 2^18245085 is an apocalyptic number.

18245085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18245085 is a deficient number, since it is larger than the sum of its proper divisors (10947075).

18245085 is a wasteful number, since it uses less digits than its factorization.

18245085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216347.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 18245085 is about 4271.4265766837. The cubic root of 18245085 is about 263.2582340281.

The spelling of 18245085 in words is "eighteen million, two hundred forty-five thousand, eighty-five".