225342045 has 12 divisors (see below), whose sum is σ = 390592956. Its totient is φ = 120182400.

The previous prime is 225342043. The next prime is 225342053. The reversal of 225342045 is 540243522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67864644 + 157477401 = 8238^2 + 12549^2 .

It is not a de Polignac number, because 225342045 - 2¹ = 225342043 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225342041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503756 + ... + 2503845.

It is an arithmetic number, because the mean of its divisors is an integer number (32549413).

Almost surely, 2^225342045 is an apocalyptic number.

It is an amenable number.

225342045 is a deficient number, since it is larger than the sum of its proper divisors (165250911).

225342045 is a wasteful number, since it uses less digits than its factorization.

225342045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007612 (or 5007609 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 225342045 is about 15011.3971701504. The cubic root of 225342045 is about 608.5282489603.

Adding to 225342045 its reverse (540243522), we get a palindrome (765585567).

The spelling of 225342045 in words is "two hundred twenty-five million, three hundred forty-two thousand, forty-five".