225000345 has 16 divisors (see below), whose sum is σ = 361814400. Its totient is φ = 119395584.

The previous prime is 225000343. The next prime is 225000359. The reversal of 225000345 is 543000522.

It is not a de Polignac number, because 225000345 - 2¹ = 225000343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225000341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34704 + ... + 40673.

It is an arithmetic number, because the mean of its divisors is an integer number (22613400).

Almost surely, 2^225000345 is an apocalyptic number.

It is an amenable number.

225000345 is a deficient number, since it is larger than the sum of its proper divisors (136814055).

225000345 is a wasteful number, since it uses less digits than its factorization.

225000345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75584.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 225000345 is about 15000.0114999956. The cubic root of 225000345 is about 608.2205104253.

Adding to 225000345 its reverse (543000522), we get a palindrome (768000867).

The spelling of 225000345 in words is "two hundred twenty-five million, three hundred forty-five", and thus it is an aban number.