2245386457 has 2 divisors, whose sum is σ = 2245386458. Its totient is φ = 2245386456.

The previous prime is 2245386421. The next prime is 2245386491. The reversal of 2245386457 is 7546835422.

2245386457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2230106176 + 15280281 = 47224^2 + 3909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245386457 - 2²³ = 2236997849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245386557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122693228 + 1122693229.

It is an arithmetic number, because the mean of its divisors is an integer number (1122693229).

Almost surely, 2^2245386457 is an apocalyptic number.

It is an amenable number.

2245386457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245386457 is an equidigital number, since it uses as much as digits as its factorization.

2245386457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 46.

The square root of 2245386457 is about 47385.5089346944. The cubic root of 2245386457 is about 1309.4744618062.

The spelling of 2245386457 in words is "two billion, two hundred forty-five million, three hundred eighty-six thousand, four hundred fifty-seven".