545445132539 has 2 divisors, whose sum is σ = 545445132540. Its totient is φ = 545445132538.

The previous prime is 545445132433. The next prime is 545445132553. The reversal of 545445132539 is 935231544545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545445132539 - 2⁸ = 545445132283 is a prime.

It is a super-2 number, since 2×545445132539² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (545445132559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272722566269 + 272722566270.

It is an arithmetic number, because the mean of its divisors is an integer number (272722566270).

Almost surely, 2^545445132539 is an apocalyptic number.

545445132539 is a deficient number, since it is larger than the sum of its proper divisors (1).

545445132539 is an equidigital number, since it uses as much as digits as its factorization.

545445132539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480000, while the sum is 50.

The spelling of 545445132539 in words is "five hundred forty-five billion, four hundred forty-five million, one hundred thirty-two thousand, five hundred thirty-nine".