82143 has 6 divisors (see below), whose sum is σ = 118664. Its totient is φ = 54756.
The previous prime is 82141. The next prime is 82153. The reversal of 82143 is 34128.
It is a happy number.
It is not a de Polignac number, because 82143 - 21 = 82141 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 (82141) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4555 + ... + 4572.
282143 is an apocalyptic number.
82143 is a deficient number, since it is larger than the sum of its proper divisors (36521).
82143 is a wasteful number, since it uses less digits than its factorization.
82143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9133 (or 9130 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 82143 is about 286.6060013328. The cubic root of 82143 is about 43.4700546976.
It can be divided in two parts, 8214 and 3, that multiplied together give a palindrome (24642).
The spelling of 82143 in words is "eighty-two thousand, one hundred forty-three".
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