45139468523 has 2 divisors, whose sum is σ = 45139468524. Its totient is φ = 45139468522.

The previous prime is 45139468511. The next prime is 45139468553. The reversal of 45139468523 is 32586493154.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45139468523 is a prime.

It is not a weakly prime, because it can be changed into another prime (45139468553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22569734261 + 22569734262.

It is an arithmetic number, because the mean of its divisors is an integer number (22569734262).

Almost surely, 2^45139468523 is an apocalyptic number.

45139468523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45139468523 is an equidigital number, since it uses as much as digits as its factorization.

45139468523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The spelling of 45139468523 in words is "forty-five billion, one hundred thirty-nine million, four hundred sixty-eight thousand, five hundred twenty-three".