111442434 has 8 divisors (see below), whose sum is σ = 222884880. Its totient is φ = 37147476.

The previous prime is 111442417. The next prime is 111442459. The reversal of 111442434 is 434244111.

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

111442434 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9286864 + ... + 9286875.

It is an arithmetic number, because the mean of its divisors is an integer number (27860610).

Almost surely, 2^111442434 is an apocalyptic number.

111442434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111442434 is a wasteful number, since it uses less digits than its factorization.

111442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18573744.

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

The square root of 111442434 is about 10556.6298599506. The cubic root of 111442434 is about 481.2272328803.

Adding to 111442434 its reverse (434244111), we get a palindrome (545686545).

The spelling of 111442434 in words is "one hundred eleven million, four hundred forty-two thousand, four hundred thirty-four".