111403442 has 16 divisors (see below), whose sum is σ = 176549760. Its totient is φ = 52635408.

The previous prime is 111403417. The next prime is 111403451. The reversal of 111403442 is 244304111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17708 + ... + 23159.

It is an arithmetic number, because the mean of its divisors is an integer number (11034360).

Almost surely, 2^111403442 is an apocalyptic number.

111403442 is a deficient number, since it is larger than the sum of its proper divisors (65146318).

111403442 is a wasteful number, since it uses less digits than its factorization.

111403442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40945.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 111403442 is about 10554.7828968672. The cubic root of 111403442 is about 481.1711016551.

Adding to 111403442 its reverse (244304111), we get a palindrome (355707553).

The spelling of 111403442 in words is "one hundred eleven million, four hundred three thousand, four hundred forty-two".