225254143 has 4 divisors (see below), whose sum is σ = 226246680. Its totient is φ = 224261608.

The previous prime is 225254119. The next prime is 225254147. The reversal of 225254143 is 341452522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225254143 - 2¹⁷ = 225123071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225254147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495928 + ... + 496381.

It is an arithmetic number, because the mean of its divisors is an integer number (56561670).

Almost surely, 2^225254143 is an apocalyptic number.

225254143 is a deficient number, since it is larger than the sum of its proper divisors (992537).

225254143 is an equidigital number, since it uses as much as digits as its factorization.

225254143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992536.

The product of its digits is 9600, while the sum is 28.

The square root of 225254143 is about 15008.4690425106. The cubic root of 225254143 is about 608.4491132521.

The spelling of 225254143 in words is "two hundred twenty-five million, two hundred fifty-four thousand, one hundred forty-three".