111442416 has 40 divisors (see below), whose sum is σ = 289981440. Its totient is φ = 36878016.

The previous prime is 111442403. The next prime is 111442417. The reversal of 111442416 is 614244111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (7249536).

Almost surely, 2^111442416 is an apocalyptic number.

111442416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111442416 is an abundant number, since it is smaller than the sum of its proper divisors (178539024).

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

111442416 is a wasteful number, since it uses less digits than its factorization.

111442416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16853 (or 16847 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 111442416 is about 10556.6290074057. The cubic root of 111442416 is about 481.2272069713.

Adding to 111442416 its reverse (614244111), we get a palindrome (725686527).

The spelling of 111442416 in words is "one hundred eleven million, four hundred forty-two thousand, four hundred sixteen".