45030337657 has 2 divisors, whose sum is σ = 45030337658. Its totient is φ = 45030337656.

The previous prime is 45030337643. The next prime is 45030337663. The reversal of 45030337657 is 75673303054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36994290921 + 8036046736 = 192339^2 + 89644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45030337657 is a prime.

It is not a weakly prime, because it can be changed into another prime (45030337757) 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, 22515168828 + 22515168829.

It is an arithmetic number, because the mean of its divisors is an integer number (22515168829).

Almost surely, 2^45030337657 is an apocalyptic number.

It is an amenable number.

45030337657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45030337657 is an equidigital number, since it uses as much as digits as its factorization.

45030337657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 43.

The spelling of 45030337657 in words is "forty-five billion, thirty million, three hundred thirty-seven thousand, six hundred fifty-seven".