118544 has 20 divisors (see below), whose sum is σ = 238080. Its totient is φ = 57120.

The previous prime is 118543. The next prime is 118549. The reversal of 118544 is 445811.

118544 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (118543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (11904).

2¹¹⁸⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119040).

118544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118544 is a wasteful number, since it uses less digits than its factorization.

118544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 118544 is about 344.3021928481. The cubic root of 118544 is about 49.1239400264.

The spelling of 118544 in words is "one hundred eighteen thousand, five hundred forty-four".