143843 has 4 divisors (see below), whose sum is σ = 164400. Its totient is φ = 123288.

The previous prime is 143833. The next prime is 143873. The reversal of 143843 is 348341.

143843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 143843 - 2⁴ = 143827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143813) 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, 10268 + ... + 10281.

It is an arithmetic number, because the mean of its divisors is an integer number (41100).

2¹⁴³⁸⁴³ is an apocalyptic number.

143843 is a deficient number, since it is larger than the sum of its proper divisors (20557).

143843 is an equidigital number, since it uses as much as digits as its factorization.

143843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20556.

The product of its digits is 1152, while the sum is 23.

The square root of 143843 is about 379.2663971406. The cubic root of 143843 is about 52.3957720498.

The spelling of 143843 in words is "one hundred forty-three thousand, eight hundred forty-three".