111252045 has 16 divisors (see below), whose sum is σ = 178134912. Its totient is φ = 59290560.

The previous prime is 111252041. The next prime is 111252059. The reversal of 111252045 is 540252111.

It is not a de Polignac number, because 111252045 - 2² = 111252041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111252041) 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, 34815 + ... + 37875.

It is an arithmetic number, because the mean of its divisors is an integer number (11133432).

Almost surely, 2^111252045 is an apocalyptic number.

111252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111252045 is a deficient number, since it is larger than the sum of its proper divisors (66882867).

111252045 is a wasteful number, since it uses less digits than its factorization.

111252045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 111252045 is about 10547.6084967162. The cubic root of 111252045 is about 480.9530327309.

The spelling of 111252045 in words is "one hundred eleven million, two hundred fifty-two thousand, forty-five".