1113444453 has 32 divisors (see below), whose sum is σ = 1675505664. Its totient is φ = 651600000.

The previous prime is 1113444413. The next prime is 1113444463. The reversal of 1113444453 is 3544443111.

It is not a de Polignac number, because 1113444453 - 2⁹ = 1113443941 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113444453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113444413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613918 + ... + 615728.

It is an arithmetic number, because the mean of its divisors is an integer number (52359552).

Almost surely, 2^1113444453 is an apocalyptic number.

It is an amenable number.

1113444453 is a deficient number, since it is larger than the sum of its proper divisors (562061211).

1113444453 is a wasteful number, since it uses less digits than its factorization.

1113444453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its digits is 11520, while the sum is 30.

The square root of 1113444453 is about 33368.3151058006. The cubic root of 1113444453 is about 1036.4686853007.

Adding to 1113444453 its reverse (3544443111), we get a palindrome (4657887564).

The spelling of 1113444453 in words is "one billion, one hundred thirteen million, four hundred forty-four thousand, four hundred fifty-three".