18141244 has 48 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 7637760.

The previous prime is 18141239. The next prime is 18141251. The reversal of 18141244 is 44214181.

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, 58939 + ... + 59245.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

Almost surely, 2^18141244 is an apocalyptic number.

It is an amenable number.

18141244 is an abundant number, since it is smaller than the sum of its proper divisors (19114436).

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

18141244 is a wasteful number, since it uses less digits than its factorization.

18141244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

The square root of 18141244 is about 4259.2539252785. The cubic root of 18141244 is about 262.7578430957.

The spelling of 18141244 in words is "eighteen million, one hundred forty-one thousand, two hundred forty-four".