111330045 has 20 divisors (see below), whose sum is σ = 199570140. Its totient is φ = 59375808.

The previous prime is 111330041. The next prime is 111330061. The reversal of 111330045 is 540033111.

It can be written as a sum of positive squares in 2 ways, for example, as 76685049 + 34644996 = 8757^2 + 5886^2 .

It is not a de Polignac number, because 111330045 - 2² = 111330041 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 (111330041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137040 + ... + 137849.

It is an arithmetic number, because the mean of its divisors is an integer number (9978507).

Almost surely, 2^111330045 is an apocalyptic number.

111330045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111330045 is a deficient number, since it is larger than the sum of its proper divisors (88240095).

111330045 is an equidigital number, since it uses as much as digits as its factorization.

111330045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274906 (or 274897 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 111330045 is about 10551.3053694792. The cubic root of 111330045 is about 481.0654069131.

Adding to 111330045 its reverse (540033111), we get a palindrome (651363156).

The spelling of 111330045 in words is "one hundred eleven million, three hundred thirty thousand, forty-five".