18115150 has 12 divisors (see below), whose sum is σ = 33694272. Its totient is φ = 7246040.

The previous prime is 18115147. The next prime is 18115157. The reversal of 18115150 is 5151181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18115157) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 181102 + ... + 181201.

It is an arithmetic number, because the mean of its divisors is an integer number (2807856).

Almost surely, 2^18115150 is an apocalyptic number.

18115150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18115150 is a deficient number, since it is larger than the sum of its proper divisors (15579122).

18115150 is a wasteful number, since it uses less digits than its factorization.

18115150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362315 (or 362310 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 22.

The square root of 18115150 is about 4256.1896104380. The cubic root of 18115150 is about 262.6318007810.

The spelling of 18115150 in words is "eighteen million, one hundred fifteen thousand, one hundred fifty".