7245143645539 has 2 divisors, whose sum is σ = 7245143645540. Its totient is φ = 7245143645538.

The previous prime is 7245143645527. The next prime is 7245143645561. The reversal of 7245143645539 is 9355463415427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7245143645539 - 2²⁷ = 7245009427811 is a prime.

It is not a weakly prime, because it can be changed into another prime (7245143645939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622571822769 + 3622571822770.

It is an arithmetic number, because the mean of its divisors is an integer number (3622571822770).

Almost surely, 2^{7245143645539} is an apocalyptic number.

7245143645539 is a deficient number, since it is larger than the sum of its proper divisors (1).

7245143645539 is an equidigital number, since it uses as much as digits as its factorization.

7245143645539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432000, while the sum is 58.

The spelling of 7245143645539 in words is "seven trillion, two hundred forty-five billion, one hundred forty-three million, six hundred forty-five thousand, five hundred thirty-nine".