2245689327745 has 8 divisors (see below), whose sum is σ = 2695176446184. Its totient is φ = 1796318626944.

The previous prime is 2245689327659. The next prime is 2245689327751. The reversal of 2245689327745 is 5477239865422.

It can be written as a sum of positive squares in 4 ways, for example, as 36851329089 + 2208837998656 = 191967^2 + 1486216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245689327745 - 2²³ = 2245680939137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29061964 + ... + 29139133.

It is an arithmetic number, because the mean of its divisors is an integer number (336897055773).

Almost surely, 2^{2245689327745} is an apocalyptic number.

It is an amenable number.

2245689327745 is a deficient number, since it is larger than the sum of its proper divisors (449487118439).

2245689327745 is an equidigital number, since it uses as much as digits as its factorization.

2245689327745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58208819.

The product of its digits is 203212800, while the sum is 64.

The spelling of 2245689327745 in words is "two trillion, two hundred forty-five billion, six hundred eighty-nine million, three hundred twenty-seven thousand, seven hundred forty-five".