111552045 has 32 divisors (see below), whose sum is σ = 206167680. Its totient is φ = 50903040.

The previous prime is 111552041. The next prime is 111552053. The reversal of 111552045 is 540255111.

It is not a de Polignac number, because 111552045 - 2² = 111552041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111552041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17080 + ... + 22689.

It is an arithmetic number, because the mean of its divisors is an integer number (6442740).

Almost surely, 2^111552045 is an apocalyptic number.

111552045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111552045 is a deficient number, since it is larger than the sum of its proper divisors (94615635).

111552045 is a wasteful number, since it uses less digits than its factorization.

111552045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39805.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 111552045 is about 10561.8201556361. The cubic root of 111552045 is about 481.3849541125.

The spelling of 111552045 in words is "one hundred eleven million, five hundred fifty-two thousand, forty-five".