45857807461 has 2 divisors, whose sum is σ = 45857807462. Its totient is φ = 45857807460.

The previous prime is 45857807453. The next prime is 45857807497. The reversal of 45857807461 is 16470875854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45670254436 + 187553025 = 213706^2 + 13695^2 .

It is a cyclic number.

It is not a de Polignac number, because 45857807461 - 2³ = 45857807453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45857807431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22928903730 + 22928903731.

It is an arithmetic number, because the mean of its divisors is an integer number (22928903731).

Almost surely, 2^45857807461 is an apocalyptic number.

It is an amenable number.

45857807461 is a deficient number, since it is larger than the sum of its proper divisors (1).

45857807461 is an equidigital number, since it uses as much as digits as its factorization.

45857807461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 45857807461 in words is "forty-five billion, eight hundred fifty-seven million, eight hundred seven thousand, four hundred sixty-one".