45135323255225 has 72 divisors (see below), whose sum is σ = 65295564988248. Its totient is φ = 30859663564800.

The previous prime is 45135323255177. The next prime is 45135323255249. The reversal of 45135323255225 is 52255232353154.

It can be written as a sum of positive squares in 12 ways, for example, as 2675985592336 + 42459337662889 = 1635844^2 + 6516083^2 .

It is not a de Polignac number, because 45135323255225 - 2³⁰ = 45134249513401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45135323255225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 602884295 + ... + 602959155.

It is an arithmetic number, because the mean of its divisors is an integer number (906882847059).

Almost surely, 2^{45135323255225} is an apocalyptic number.

It is an amenable number.

45135323255225 is a deficient number, since it is larger than the sum of its proper divisors (20160241733023).

45135323255225 is a wasteful number, since it uses less digits than its factorization.

45135323255225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76315 (or 76303 counting only the distinct ones).

The product of its digits is 5400000, while the sum is 47.

The spelling of 45135323255225 in words is "forty-five trillion, one hundred thirty-five billion, three hundred twenty-three million, two hundred fifty-five thousand, two hundred twenty-five".