18141158 has 32 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 7289568.

The previous prime is 18141127. The next prime is 18141161. The reversal of 18141158 is 85114181.

It is a super-2 number, since 2×18141158² = 658203227161928, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18141158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16535 + ... + 17597.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^18141158 is an apocalyptic number.

18141158 is a deficient number, since it is larger than the sum of its proper divisors (14953498).

18141158 is a wasteful number, since it uses less digits than its factorization.

18141158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 1280, while the sum is 29.

The square root of 18141158 is about 4259.2438296017. The cubic root of 18141158 is about 262.7574278870.

The spelling of 18141158 in words is "eighteen million, one hundred forty-one thousand, one hundred fifty-eight".