225678143 has 4 divisors (see below), whose sum is σ = 237555960. Its totient is φ = 213800328.

The previous prime is 225678119. The next prime is 225678191. The reversal of 225678143 is 341876522.

It is a happy number.

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 225678143 - 2¹⁴ = 225661759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225678097 and 225678106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225671143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5938880 + ... + 5938917.

It is an arithmetic number, because the mean of its divisors is an integer number (59388990).

Almost surely, 2^225678143 is an apocalyptic number.

225678143 is a deficient number, since it is larger than the sum of its proper divisors (11877817).

225678143 is a wasteful number, since it uses less digits than its factorization.

225678143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877816.

The product of its digits is 80640, while the sum is 38.

The square root of 225678143 is about 15022.5877597703. The cubic root of 225678143 is about 608.8306389387.

The spelling of 225678143 in words is "two hundred twenty-five million, six hundred seventy-eight thousand, one hundred forty-three".