225123030645 has 32 divisors (see below), whose sum is σ = 364015977600. Its totient is φ = 118795693824.

The previous prime is 225123030623. The next prime is 225123030653. The reversal of 225123030645 is 546030321522.

It is a happy number.

225123030645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225123030645 - 2¹¹ = 225123028597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062114 + ... + 1256316.

It is an arithmetic number, because the mean of its divisors is an integer number (11375499300).

Almost surely, 2^225123030645 is an apocalyptic number.

It is an amenable number.

225123030645 is a deficient number, since it is larger than the sum of its proper divisors (138892946955).

225123030645 is a wasteful number, since it uses less digits than its factorization.

225123030645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195029.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 225123030645 in words is "two hundred twenty-five billion, one hundred twenty-three million, thirty thousand, six hundred forty-five".