111434442 has 32 divisors (see below), whose sum is σ = 255495552. Its totient is φ = 31739904.

The previous prime is 111434419. The next prime is 111434447. The reversal of 111434442 is 244434111.

It is not an unprimeable number, because it can be changed into a prime (111434447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10218 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (7984236).

Almost surely, 2^111434442 is an apocalyptic number.

111434442 is an abundant number, since it is smaller than the sum of its proper divisors (144061110).

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

111434442 is a wasteful number, since it uses less digits than its factorization.

111434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222.

The product of its digits is 1536, while the sum is 24.

The square root of 111434442 is about 10556.2513232681. The cubic root of 111434442 is about 481.2157290038.

Adding to 111434442 its reverse (244434111), we get a palindrome (355868553).

The spelling of 111434442 in words is "one hundred eleven million, four hundred thirty-four thousand, four hundred forty-two".