18145014 has 16 divisors (see below), whose sum is σ = 36665328. Its totient is φ = 5985792.

The previous prime is 18145009. The next prime is 18145031. The reversal of 18145014 is 41054181.

It is an alternating number because its digits alternate between odd and even.

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, 15007 + ... + 16170.

It is an arithmetic number, because the mean of its divisors is an integer number (2291583).

Almost surely, 2^18145014 is an apocalyptic number.

18145014 is an abundant number, since it is smaller than the sum of its proper divisors (18520314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18145014 is a wasteful number, since it uses less digits than its factorization.

18145014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31279.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 18145014 is about 4259.6964680597. The cubic root of 18145014 is about 262.7760433995.

Adding to 18145014 its reverse (41054181), we get a palindrome (59199195).

The spelling of 18145014 in words is "eighteen million, one hundred forty-five thousand, fourteen".