18317045 has 8 divisors (see below), whose sum is σ = 23137440. Its totient is φ = 13882320.

The previous prime is 18317027. The next prime is 18317059. The reversal of 18317045 is 54071381.

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

It is not a de Polignac number, because 18317045 - 2⁸ = 18316789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18316999 and 18317017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96311 + ... + 96500.

It is an arithmetic number, because the mean of its divisors is an integer number (2892180).

Almost surely, 2^18317045 is an apocalyptic number.

It is an amenable number.

18317045 is a deficient number, since it is larger than the sum of its proper divisors (4820395).

18317045 is a wasteful number, since it uses less digits than its factorization.

18317045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192835.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18317045 is about 4279.8417026801. The cubic root of 18317045 is about 263.6038834882.

The spelling of 18317045 in words is "eighteen million, three hundred seventeen thousand, forty-five".