162143 has 2 divisors, whose sum is σ = 162144. Its totient is φ = 162142.

The previous prime is 162119. The next prime is 162209. The reversal of 162143 is 341261.

162143 is nontrivially palindromic in base 3.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162143 - 2⁶ = 162079 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81071 + 81072.

It is an arithmetic number, because the mean of its divisors is an integer number (81072).

2¹⁶²¹⁴³ is an apocalyptic number.

162143 is a deficient number, since it is larger than the sum of its proper divisors (1).

162143 is an equidigital number, since it uses as much as digits as its factorization.

162143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 162143 is about 402.6698399433. The cubic root of 162143 is about 54.5296530828.

The spelling of 162143 in words is "one hundred sixty-two thousand, one hundred forty-three".