225020304645045 has 96 divisors (see below), whose sum is σ = 451047145989888. Its totient is φ = 94949952233472.

The previous prime is 225020304645023. The next prime is 225020304645047. The reversal of 225020304645045 is 540546403020522.

It is not a de Polignac number, because 225020304645045 - 2⁹ = 225020304644533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225020304644988 and 225020304645006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225020304645047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 254170197 + ... + 255053973.

It is an arithmetic number, because the mean of its divisors is an integer number (4698407770728).

Almost surely, 2^{225020304645045} is an apocalyptic number.

It is an amenable number.

225020304645045 is an abundant number, since it is smaller than the sum of its proper divisors (226026841344843).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225020304645045 is a wasteful number, since it uses less digits than its factorization.

225020304645045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910459 (or 910452 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 225020304645045 its reverse (540546403020522), we get a palindrome (765566707665567).

The spelling of 225020304645045 in words is "two hundred twenty-five trillion, twenty billion, three hundred four million, six hundred forty-five thousand, forty-five".