111443345 has 16 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 80543424.

The previous prime is 111443323. The next prime is 111443363. The reversal of 111443345 is 543344111.

It is a happy number.

It is not a de Polignac number, because 111443345 - 2⁸ = 111443089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15185 + ... + 21294.

It is an arithmetic number, because the mean of its divisors is an integer number (9192960).

Almost surely, 2^111443345 is an apocalyptic number.

It is an amenable number.

111443345 is a deficient number, since it is larger than the sum of its proper divisors (35644015).

111443345 is a wasteful number, since it uses less digits than its factorization.

111443345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36544.

The product of its digits is 2880, while the sum is 26.

The square root of 111443345 is about 10556.6730081025. The cubic root of 111443345 is about 481.2285441607.

Adding to 111443345 its reverse (543344111), we get a palindrome (654787456).

The spelling of 111443345 in words is "one hundred eleven million, four hundred forty-three thousand, three hundred forty-five".