225023045 has 16 divisors (see below), whose sum is σ = 293099520. Its totient is φ = 164856384.

The previous prime is 225023039. The next prime is 225023077. The reversal of 225023045 is 540320522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225023045 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225023045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5375 + ... + 21884.

It is an arithmetic number, because the mean of its divisors is an integer number (18318720).

Almost surely, 2^225023045 is an apocalyptic number.

It is an amenable number.

225023045 is a deficient number, since it is larger than the sum of its proper divisors (68076475).

225023045 is a wasteful number, since it uses less digits than its factorization.

225023045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27404.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 225023045 is about 15000.7681469983. The cubic root of 225023045 is about 608.2409639366.

Adding to 225023045 its reverse (540320522), we get a palindrome (765343567).

The spelling of 225023045 in words is "two hundred twenty-five million, twenty-three thousand, forty-five".