18114250 has 64 divisors (see below), whose sum is σ = 42322176. Its totient is φ = 5640000.

The previous prime is 18114227. The next prime is 18114281. The reversal of 18114250 is 5241181.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18780 + ... + 19720.

It is an arithmetic number, because the mean of its divisors is an integer number (661284).

Almost surely, 2^18114250 is an apocalyptic number.

18114250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18114250 is an abundant number, since it is smaller than the sum of its proper divisors (24207926).

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

18114250 is a wasteful number, since it uses less digits than its factorization.

18114250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 18114250 is about 4256.0838807524. The cubic root of 18114250 is about 262.6274513362.

The spelling of 18114250 in words is "eighteen million, one hundred fourteen thousand, two hundred fifty".