225315425745 has 12 divisors (see below), whose sum is σ = 390546738036. Its totient is φ = 120168227040.

The previous prime is 225315425743. The next prime is 225315425759. The reversal of 225315425745 is 547524513522.

It is a happy number.

225315425745 is a `hidden beast` number, since 2 + 2 + 5 + 31 + 5 + 42 + 574 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143040534849 + 82274890896 = 378207^2 + 286836^2 .

It is not a de Polignac number, because 225315425745 - 2¹ = 225315425743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5007009461 = 225315425745 / (2 + 2 + 5 + 3 + 1 + 5 + 4 + 2 + 5 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 225315425745.

It is not an unprimeable number, because it can be changed into a prime (225315425743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503504686 + ... + 2503504775.

It is an arithmetic number, because the mean of its divisors is an integer number (32545561503).

Almost surely, 2^225315425745 is an apocalyptic number.

It is an amenable number.

225315425745 is a deficient number, since it is larger than the sum of its proper divisors (165231312291).

225315425745 is a wasteful number, since it uses less digits than its factorization.

225315425745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007009472 (or 5007009469 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 45.

The spelling of 225315425745 in words is "two hundred twenty-five billion, three hundred fifteen million, four hundred twenty-five thousand, seven hundred forty-five".