45210200257 has 2 divisors, whose sum is σ = 45210200258. Its totient is φ = 45210200256.

The previous prime is 45210200239. The next prime is 45210200261. The reversal of 45210200257 is 75200201254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27043473601 + 18166726656 = 164449^2 + 134784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45210200257 is a prime.

It is not a weakly prime, because it can be changed into another prime (45210200207) 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, 22605100128 + 22605100129.

It is an arithmetic number, because the mean of its divisors is an integer number (22605100129).

Almost surely, 2^45210200257 is an apocalyptic number.

It is an amenable number.

45210200257 is a deficient number, since it is larger than the sum of its proper divisors (1).

45210200257 is an equidigital number, since it uses as much as digits as its factorization.

45210200257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 45210200257 in words is "forty-five billion, two hundred ten million, two hundred thousand, two hundred fifty-seven".