111844 has 6 divisors (see below), whose sum is σ = 195734. Its totient is φ = 55920.

The previous prime is 111833. The next prime is 111847. The reversal of 111844 is 448111.

It can be written as a sum of positive squares in only one way, i.e., 82944 + 28900 = 288^2 + 170^2 .

It is not an unprimeable number, because it can be changed into a prime (111847) by changing a digit.

111844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977 + ... + 13984.

2¹¹¹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

111844 is a deficient number, since it is larger than the sum of its proper divisors (83890).

111844 is a wasteful number, since it uses less digits than its factorization.

111844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27965 (or 27963 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 111844 is about 334.4308598201. The cubic root of 111844 is about 48.1804549923.

Adding to 111844 its reverse (448111), we get a palindrome (559955).

The spelling of 111844 in words is "one hundred eleven thousand, eight hundred forty-four".