18294150 has 144 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 3931200.

The previous prime is 18294137. The next prime is 18294151. The reversal of 18294150 is 5149281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18294151) 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 71 ways as a sum of consecutive naturals, for example, 139585 + ... + 139715.

It is an arithmetic number, because the mean of its divisors is an integer number (388740).

Almost surely, 2^18294150 is an apocalyptic number.

18294150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18294150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27989280).

18294150 is an abundant number, since it is smaller than the sum of its proper divisors (37684410).

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

18294150 is a wasteful number, since it uses less digits than its factorization.

18294150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 18294150 is about 4277.1661178869. The cubic root of 18294150 is about 263.4940090118.

The spelling of 18294150 in words is "eighteen million, two hundred ninety-four thousand, one hundred fifty".