111145045 has 8 divisors (see below), whose sum is σ = 145499040. Its totient is φ = 80832720.

The previous prime is 111145037. The next prime is 111145063. The reversal of 111145045 is 540541111.

It is a happy number.

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

It is not a de Polignac number, because 111145045 - 2³ = 111145037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010355 + ... + 1010464.

It is an arithmetic number, because the mean of its divisors is an integer number (18187380).

Almost surely, 2^111145045 is an apocalyptic number.

It is an amenable number.

111145045 is a deficient number, since it is larger than the sum of its proper divisors (34353995).

111145045 is a wasteful number, since it uses less digits than its factorization.

111145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020835.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 111145045 is about 10542.5350366978. The cubic root of 111145045 is about 480.7987929244.

Adding to 111145045 its reverse (540541111), we get a palindrome (651686156).

The spelling of 111145045 in words is "one hundred eleven million, one hundred forty-five thousand, forty-five".