254143 has 4 divisors (see below), whose sum is σ = 257440. Its totient is φ = 250848.

The previous prime is 254141. The next prime is 254147. The reversal of 254143 is 341452.

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 254143 - 2¹ = 254141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254141) 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, 1530 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (64360).

2²⁵⁴¹⁴³ is an apocalyptic number.

254143 is a deficient number, since it is larger than the sum of its proper divisors (3297).

254143 is an equidigital number, since it uses as much as digits as its factorization.

254143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296.

The product of its digits is 480, while the sum is 19.

The square root of 254143 is about 504.1259763194. The cubic root of 254143 is about 63.3421378957.

Adding to 254143 its reverse (341452), we get a palindrome (595595).

It can be divided in two parts, 2 and 54143, that added together give a palindrome (54145).

The spelling of 254143 in words is "two hundred fifty-four thousand, one hundred forty-three".