2245044522553 has 4 divisors (see below), whose sum is σ = 2565765168640. Its totient is φ = 1924323876468.

The previous prime is 2245044522493. The next prime is 2245044522563. The reversal of 2245044522553 is 3552254405422.

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 not a de Polignac number, because 2245044522553 - 2²¹ = 2245042425401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245044522563) 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, 160360323033 + ... + 160360323046.

It is an arithmetic number, because the mean of its divisors is an integer number (641441292160).

Almost surely, 2^{2245044522553} is an apocalyptic number.

It is an amenable number.

2245044522553 is a deficient number, since it is larger than the sum of its proper divisors (320720646087).

2245044522553 is an equidigital number, since it uses as much as digits as its factorization.

2245044522553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320720646086.

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 2245044522553 its reverse (3552254405422), we get a palindrome (5797298927975).

The spelling of 2245044522553 in words is "two trillion, two hundred forty-five billion, forty-four million, five hundred twenty-two thousand, five hundred fifty-three".