111245453 has 16 divisors (see below), whose sum is σ = 126228480. Its totient is φ = 97124400.

The previous prime is 111245447. The next prime is 111245489. The reversal of 111245453 is 354542111.

It is a cyclic number.

It is not a de Polignac number, because 111245453 - 2⁶ = 111245389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111245413) 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 15 ways as a sum of consecutive naturals, for example, 46226 + ... + 48572.

It is an arithmetic number, because the mean of its divisors is an integer number (7889280).

Almost surely, 2^111245453 is an apocalyptic number.

It is an amenable number.

111245453 is a deficient number, since it is larger than the sum of its proper divisors (14983027).

111245453 is a wasteful number, since it uses less digits than its factorization.

111245453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its digits is 2400, while the sum is 26.

The square root of 111245453 is about 10547.2960041899. The cubic root of 111245453 is about 480.9435332650.

Adding to 111245453 its reverse (354542111), we get a palindrome (465787564).

The spelling of 111245453 in words is "one hundred eleven million, two hundred forty-five thousand, four hundred fifty-three".