111442342 has 8 divisors (see below), whose sum is σ = 182360232. Its totient is φ = 50655600.

The previous prime is 111442339. The next prime is 111442343. The reversal of 111442342 is 243244111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5065561 = 111442342 / (1 + 1 + 1 + 4 + 4 + 2 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532759 + ... + 2532802.

It is an arithmetic number, because the mean of its divisors is an integer number (22795029).

Almost surely, 2^111442342 is an apocalyptic number.

111442342 is a deficient number, since it is larger than the sum of its proper divisors (70917890).

111442342 is a wasteful number, since it uses less digits than its factorization.

111442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065574.

The product of its digits is 768, while the sum is 22.

The square root of 111442342 is about 10556.6255024984. The cubic root of 111442342 is about 481.2271004565.

Adding to 111442342 its reverse (243244111), we get a palindrome (354686453).

The spelling of 111442342 in words is "one hundred eleven million, four hundred forty-two thousand, three hundred forty-two".