225234344031345 has 48 divisors (see below), whose sum is σ = 433933473834432. Its totient is φ = 107144067588480.

The previous prime is 225234344031337. The next prime is 225234344031391. The reversal of 225234344031345 is 543130443432522.

225234344031345 is a `hidden beast` number, since 2 + 2 + 5 + 234 + 3 + 4 + 40 + 31 + 345 = 666.

It is not a de Polignac number, because 225234344031345 - 2³ = 225234344031337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 225234344031345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4292604679 + ... + 4292657148.

It is an arithmetic number, because the mean of its divisors is an integer number (9040280704884).

Almost surely, 2^{225234344031345} is an apocalyptic number.

It is an amenable number.

225234344031345 is a deficient number, since it is larger than the sum of its proper divisors (208699129803087).

225234344031345 is a wasteful number, since it uses less digits than its factorization.

225234344031345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585261902 (or 8585261899 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 45.

Adding to 225234344031345 its reverse (543130443432522), we get a palindrome (768364787463867).

The spelling of 225234344031345 in words is "two hundred twenty-five trillion, two hundred thirty-four billion, three hundred forty-four million, thirty-one thousand, three hundred forty-five".