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36143 = 47769

36143 has 4 divisors (see below), whose sum is σ = 36960. Its totient is φ = 35328.

The previous prime is 36137. The next prime is 36151. The reversal of 36143 is 34163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34163 = 127269.

It is a cyclic number.

It is not a de Polignac number, because 36143 - 214 = 19759 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36143.

It is not an unprimeable number, because it can be changed into a prime (36343) 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, 338 + ... + 431.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

236143 is an apocalyptic number.

36143 is a deficient number, since it is larger than the sum of its proper divisors (817).

36143 is an equidigital number, since it uses as much as digits as its factorization.

36143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its digits is 216, while the sum is 17.

The square root of 36143 is about 190.1131242182. The cubic root of 36143 is about 33.0629346905.

It can be divided in two parts, 361 and 43, that added together give a palindrome (404).

The spelling of 36143 in words is "thirty-six thousand, one hundred forty-three".

Divisors: 1 47 769 36143