111444242 has 16 divisors (see below), whose sum is σ = 205743552. Its totient is φ = 44087760.

The previous prime is 111444239. The next prime is 111444247. The reversal of 111444242 is 242444111.

It is not an unprimeable number, because it can be changed into a prime (111444247) 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, 305984 + ... + 306347.

It is an arithmetic number, because the mean of its divisors is an integer number (12858972).

Almost surely, 2^111444242 is an apocalyptic number.

111444242 is a deficient number, since it is larger than the sum of its proper divisors (94299310).

111444242 is a wasteful number, since it uses less digits than its factorization.

111444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612353.

The product of its digits is 1024, while the sum is 23.

The square root of 111444242 is about 10556.7154929931. The cubic root of 111444242 is about 481.2298352826.

Adding to 111444242 its reverse (242444111), we get a palindrome (353888353).

The spelling of 111444242 in words is "one hundred eleven million, four hundred forty-four thousand, two hundred forty-two".