545442325225 has 18 divisors (see below), whose sum is σ = 786772727214. Its totient is φ = 374017593600.

The previous prime is 545442325199. The next prime is 545442325331. The reversal of 545442325225 is 522523244545.

It can be written as a sum of positive squares in 3 ways, for example, as 141348177369 + 404094147856 = 375963^2 + 635684^2 .

It is not a de Polignac number, because 545442325225 - 2⁷ = 545442325097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 222628296 + ... + 222630745.

Almost surely, 2^545442325225 is an apocalyptic number.

It is an amenable number.

545442325225 is a deficient number, since it is larger than the sum of its proper divisors (241330401989).

545442325225 is a wasteful number, since it uses less digits than its factorization.

545442325225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445259065 (or 445259053 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 43.

The spelling of 545442325225 in words is "five hundred forty-five billion, four hundred forty-two million, three hundred twenty-five thousand, two hundred twenty-five".