18045514 has 8 divisors (see below), whose sum is σ = 27086400. Its totient is φ = 9016716.

The previous prime is 18045491. The next prime is 18045541. The reversal of 18045514 is 41554081.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3727 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (3385800).

Almost surely, 2^18045514 is an apocalyptic number.

18045514 is a deficient number, since it is larger than the sum of its proper divisors (9040886).

18045514 is a wasteful number, since it uses less digits than its factorization.

18045514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 18045514 is about 4248.0011770243. The cubic root of 18045514 is about 262.2948431784.

Adding to 18045514 its reverse (41554081), we get a palindrome (59599595).

The spelling of 18045514 in words is "eighteen million, forty-five thousand, five hundred fourteen".