143283 has 8 divisors (see below), whose sum is σ = 218368. Its totient is φ = 81864.

The previous prime is 143281. The next prime is 143287. The reversal of 143283 is 382341.

It is a happy number.

143283 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143283 - 2¹ = 143281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6823 = 143283 / (1 + 4 + 3 + 2 + 8 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391 + ... + 3432.

It is an arithmetic number, because the mean of its divisors is an integer number (27296).

2¹⁴³²⁸³ is an apocalyptic number.

143283 is a deficient number, since it is larger than the sum of its proper divisors (75085).

143283 is an equidigital number, since it uses as much as digits as its factorization.

143283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833.

The product of its digits is 576, while the sum is 21.

The square root of 143283 is about 378.5274098398. The cubic root of 143283 is about 52.3276890429.

The spelling of 143283 in words is "one hundred forty-three thousand, two hundred eighty-three".