45102715897 has 2 divisors, whose sum is σ = 45102715898. Its totient is φ = 45102715896.

The previous prime is 45102715841. The next prime is 45102715909. The reversal of 45102715897 is 79851720154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44868136041 + 234579856 = 211821^2 + 15316^2 .

It is a cyclic number.

It is not a de Polignac number, because 45102715897 - 2¹¹ = 45102713849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45102715897.

It is not a weakly prime, because it can be changed into another prime (45102715807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22551357948 + 22551357949.

It is an arithmetic number, because the mean of its divisors is an integer number (22551357949).

Almost surely, 2^45102715897 is an apocalyptic number.

It is an amenable number.

45102715897 is a deficient number, since it is larger than the sum of its proper divisors (1).

45102715897 is an equidigital number, since it uses as much as digits as its factorization.

45102715897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 45102715897 in words is "forty-five billion, one hundred two million, seven hundred fifteen thousand, eight hundred ninety-seven".