143943 has 4 divisors (see below), whose sum is σ = 191928. Its totient is φ = 95960.

The previous prime is 143909. The next prime is 143947. The reversal of 143943 is 349341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349341 = 3 ⋅116447.

It is a cyclic number.

It is not a de Polignac number, because 143943 - 2⁶ = 143879 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143947) 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, 23988 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (47982).

2¹⁴³⁹⁴³ is an apocalyptic number.

143943 is a deficient number, since it is larger than the sum of its proper divisors (47985).

143943 is an equidigital number, since it uses as much as digits as its factorization.

143943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47984.

The product of its digits is 1296, while the sum is 24.

The square root of 143943 is about 379.3982076921. The cubic root of 143943 is about 52.4079111261.

The spelling of 143943 in words is "one hundred forty-three thousand, nine hundred forty-three".