18034157 has 16 divisors (see below), whose sum is σ = 19396608. Its totient is φ = 16737840.

The previous prime is 18034153. The next prime is 18034169. The reversal of 18034157 is 75143081.

It is a cyclic number.

It is not a de Polignac number, because 18034157 - 2² = 18034153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110558 + ... + 110720.

It is an arithmetic number, because the mean of its divisors is an integer number (1212288).

Almost surely, 2^18034157 is an apocalyptic number.

It is an amenable number.

18034157 is a deficient number, since it is larger than the sum of its proper divisors (1362451).

18034157 is a wasteful number, since it uses less digits than its factorization.

18034157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18034157 is about 4246.6642203028. The cubic root of 18034157 is about 262.2398062742.

The spelling of 18034157 in words is "eighteen million, thirty-four thousand, one hundred fifty-seven".