45077744257237 has 2 divisors, whose sum is σ = 45077744257238. Its totient is φ = 45077744257236.

The previous prime is 45077744257219. The next prime is 45077744257253. The reversal of 45077744257237 is 73275244777054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35081561774961 + 9996182482276 = 5922969^2 + 3161674^2 .

It is a cyclic number.

It is not a de Polignac number, because 45077744257237 - 2³¹ = 45075596773589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45077744257537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22538872128618 + 22538872128619.

It is an arithmetic number, because the mean of its divisors is an integer number (22538872128619).

Almost surely, 2^{45077744257237} is an apocalyptic number.

It is an amenable number.

45077744257237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45077744257237 is an equidigital number, since it uses as much as digits as its factorization.

45077744257237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322694400, while the sum is 64.

The spelling of 45077744257237 in words is "forty-five trillion, seventy-seven billion, seven hundred forty-four million, two hundred fifty-seven thousand, two hundred thirty-seven".