225344143 has 2 divisors, whose sum is σ = 225344144. Its totient is φ = 225344142.

The previous prime is 225344137. The next prime is 225344167. The reversal of 225344143 is 341443522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225344143 - 2⁵ = 225344111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225344183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112672071 + 112672072.

It is an arithmetic number, because the mean of its divisors is an integer number (112672072).

Almost surely, 2^225344143 is an apocalyptic number.

225344143 is a deficient number, since it is larger than the sum of its proper divisors (1).

225344143 is an equidigital number, since it uses as much as digits as its factorization.

225344143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 225344143 is about 15011.4670502253. The cubic root of 225344143 is about 608.5301374794.

Adding to 225344143 its reverse (341443522), we get a palindrome (566787665).

The spelling of 225344143 in words is "two hundred twenty-five million, three hundred forty-four thousand, one hundred forty-three".