111443442 has 32 divisors (see below), whose sum is σ = 244629504. Its totient is φ = 33565200.

The previous prime is 111443413. The next prime is 111443447. The reversal of 111443442 is 244344111.

It is a super-3 number, since 3×111443442³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111443447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5967 + ... + 16077.

It is an arithmetic number, because the mean of its divisors is an integer number (7644672).

Almost surely, 2^111443442 is an apocalyptic number.

111443442 is an abundant number, since it is smaller than the sum of its proper divisors (133186062).

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

111443442 is a wasteful number, since it uses less digits than its factorization.

111443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10294.

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

The square root of 111443442 is about 10556.6776023520. The cubic root of 111443442 is about 481.2286837806.

Adding to 111443442 its reverse (244344111), we get a palindrome (355787553).

The spelling of 111443442 in words is "one hundred eleven million, four hundred forty-three thousand, four hundred forty-two".