45262626257 has 2 divisors, whose sum is σ = 45262626258. Its totient is φ = 45262626256.

The previous prime is 45262626239. The next prime is 45262626281. The reversal of 45262626257 is 75262626254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34840462336 + 10422163921 = 186656^2 + 102089^2 .

It is a cyclic number.

It is not a de Polignac number, because 45262626257 - 2¹⁸ = 45262364113 is a prime.

It is not a weakly prime, because it can be changed into another prime (45262629257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22631313128 + 22631313129.

It is an arithmetic number, because the mean of its divisors is an integer number (22631313129).

Almost surely, 2^45262626257 is an apocalyptic number.

It is an amenable number.

45262626257 is a deficient number, since it is larger than the sum of its proper divisors (1).

45262626257 is an equidigital number, since it uses as much as digits as its factorization.

45262626257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 47.

The spelling of 45262626257 in words is "forty-five billion, two hundred sixty-two million, six hundred twenty-six thousand, two hundred fifty-seven".