210143 has 2 divisors, whose sum is σ = 210144. Its totient is φ = 210142.

The previous prime is 210139. The next prime is 210157. The reversal of 210143 is 341012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210143 - 2² = 210139 is a prime.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105071 + 105072.

It is an arithmetic number, because the mean of its divisors is an integer number (105072).

2²¹⁰¹⁴³ is an apocalyptic number.

210143 is a deficient number, since it is larger than the sum of its proper divisors (1).

210143 is an equidigital number, since it uses as much as digits as its factorization.

210143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 210143 is about 458.4135687346. The cubic root of 210143 is about 59.4527082257.

Adding to 210143 its reverse (341012), we get a palindrome (551155).

It can be divided in two parts, 210 and 143, that added together give a palindrome (353).

The spelling of 210143 in words is "two hundred ten thousand, one hundred forty-three", and thus it is an iban number.