45645234247 has 2 divisors, whose sum is σ = 45645234248. Its totient is φ = 45645234246.

The previous prime is 45645234199. The next prime is 45645234331. The reversal of 45645234247 is 74243254654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45645234247 - 2⁷ = 45645234119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45645234197 and 45645234206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45645234847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22822617123 + 22822617124.

It is an arithmetic number, because the mean of its divisors is an integer number (22822617124).

Almost surely, 2^45645234247 is an apocalyptic number.

45645234247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45645234247 is an equidigital number, since it uses as much as digits as its factorization.

45645234247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 46.

The spelling of 45645234247 in words is "forty-five billion, six hundred forty-five million, two hundred thirty-four thousand, two hundred forty-seven".