2245666453 has 4 divisors (see below), whose sum is σ = 2250877248. Its totient is φ = 2240455660.

The previous prime is 2245666447. The next prime is 2245666483. The reversal of 2245666453 is 3546665422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245666453 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 (2245666483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604751 + ... + 2605612.

It is an arithmetic number, because the mean of its divisors is an integer number (562719312).

Almost surely, 2^2245666453 is an apocalyptic number.

It is an amenable number.

2245666453 is a deficient number, since it is larger than the sum of its proper divisors (5210795).

2245666453 is an equidigital number, since it uses as much as digits as its factorization.

2245666453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210794.

The product of its digits is 1036800, while the sum is 43.

The square root of 2245666453 is about 47388.4632901300. The cubic root of 2245666453 is about 1309.5288893148.

The spelling of 2245666453 in words is "two billion, two hundred forty-five million, six hundred sixty-six thousand, four hundred fifty-three".