225057845 has 4 divisors (see below), whose sum is σ = 270069420. Its totient is φ = 180046272.

The previous prime is 225057841. The next prime is 225057857. The reversal of 225057845 is 548750522.

225057845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34562641 + 190495204 = 5879^2 + 13802^2 .

It is a cyclic number.

It is not a de Polignac number, because 225057845 - 2² = 225057841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225057799 and 225057808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225057841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22505780 + ... + 22505789.

It is an arithmetic number, because the mean of its divisors is an integer number (67517355).

Almost surely, 2^225057845 is an apocalyptic number.

It is an amenable number.

225057845 is a deficient number, since it is larger than the sum of its proper divisors (45011575).

225057845 is an equidigital number, since it uses as much as digits as its factorization.

225057845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45011574.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 225057845 is about 15001.9280427550. The cubic root of 225057845 is about 608.2723173097.

The spelling of 225057845 in words is "two hundred twenty-five million, fifty-seven thousand, eight hundred forty-five".