18113154 has 16 divisors (see below), whose sum is σ = 36445248. Its totient is φ = 6001232.

The previous prime is 18113153. The next prime is 18113159. The reversal of 18113154 is 45131181.

It is not an unprimeable number, because it can be changed into a prime (18113153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8037 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (2277828).

Almost surely, 2^18113154 is an apocalyptic number.

18113154 is an abundant number, since it is smaller than the sum of its proper divisors (18332094).

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

18113154 is a wasteful number, since it uses less digits than its factorization.

18113154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18249.

The product of its digits is 480, while the sum is 24.

The square root of 18113154 is about 4255.9551219438. The cubic root of 18113154 is about 262.6221544844.

The spelling of 18113154 in words is "eighteen million, one hundred thirteen thousand, one hundred fifty-four".