45456715237 has 2 divisors, whose sum is σ = 45456715238. Its totient is φ = 45456715236.

The previous prime is 45456715207. The next prime is 45456715247. The reversal of 45456715237 is 73251765454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42502357921 + 2954357316 = 206161^2 + 54354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45456715237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45456715207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22728357618 + 22728357619.

It is an arithmetic number, because the mean of its divisors is an integer number (22728357619).

Almost surely, 2^45456715237 is an apocalyptic number.

It is an amenable number.

45456715237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45456715237 is an equidigital number, since it uses as much as digits as its factorization.

45456715237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 49.

The spelling of 45456715237 in words is "forty-five billion, four hundred fifty-six million, seven hundred fifteen thousand, two hundred thirty-seven".