18332345 has 8 divisors (see below), whose sum is σ = 22277760. Its totient is φ = 14479920.

The previous prime is 18332297. The next prime is 18332387. The reversal of 18332345 is 54323381.

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

It is not a de Polignac number, because 18332345 - 2¹² = 18328249 is a prime.

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, 22811 + ... + 23600.

It is an arithmetic number, because the mean of its divisors is an integer number (2784720).

Almost surely, 2^18332345 is an apocalyptic number.

It is an amenable number.

18332345 is a deficient number, since it is larger than the sum of its proper divisors (3945415).

18332345 is an equidigital number, since it uses as much as digits as its factorization.

18332345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46495.

The product of its digits is 8640, while the sum is 29.

The square root of 18332345 is about 4281.6287788644. The cubic root of 18332345 is about 263.6772580781.

The spelling of 18332345 in words is "eighteen million, three hundred thirty-two thousand, three hundred forty-five".