18245378 has 8 divisors (see below), whose sum is σ = 27421968. Its totient is φ = 9104724.

The previous prime is 18245363. The next prime is 18245389. The reversal of 18245378 is 87354281.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7676 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (3427746).

Almost surely, 2^18245378 is an apocalyptic number.

18245378 is a deficient number, since it is larger than the sum of its proper divisors (9176590).

18245378 is a wasteful number, since it uses less digits than its factorization.

18245378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17968.

The product of its digits is 53760, while the sum is 38.

The square root of 18245378 is about 4271.4608742209. The cubic root of 18245378 is about 263.2596432523.

The spelling of 18245378 in words is "eighteen million, two hundred forty-five thousand, three hundred seventy-eight".