225304312145 has 32 divisors (see below), whose sum is σ = 300052045440. Its totient is φ = 161021808640.

The previous prime is 225304312133. The next prime is 225304312153. The reversal of 225304312145 is 541213403522.

It is not a de Polignac number, because 225304312145 - 2⁶ = 225304312081 is a prime.

It is a super-2 number, since 2×225304312145² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10168499 + ... + 10190631.

It is an arithmetic number, because the mean of its divisors is an integer number (9376626420).

Almost surely, 2^225304312145 is an apocalyptic number.

It is an amenable number.

225304312145 is a deficient number, since it is larger than the sum of its proper divisors (74747733295).

225304312145 is a wasteful number, since it uses less digits than its factorization.

225304312145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25345.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 225304312145 its reverse (541213403522), we get a palindrome (766517715667).

The spelling of 225304312145 in words is "two hundred twenty-five billion, three hundred four million, three hundred twelve thousand, one hundred forty-five".