143313 has 16 divisors (see below), whose sum is σ = 208896. Its totient is φ = 87120.

The previous prime is 143291. The next prime is 143329. The reversal of 143313 is 313341.

143313 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 143313 - 2⁵ = 143281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143292 and 143301.

It is not an unprimeable number, because it can be changed into a prime (143333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106 + ... + 2172.

It is an arithmetic number, because the mean of its divisors is an integer number (13056).

2¹⁴³³¹³ is an apocalyptic number.

It is an amenable number.

143313 is a deficient number, since it is larger than the sum of its proper divisors (65583).

143313 is a wasteful number, since it uses less digits than its factorization.

143313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124.

The product of its digits is 108, while the sum is 15.

The square root of 143313 is about 378.5670350149. The cubic root of 143313 is about 52.3313408395.

Adding to 143313 its reverse (313341), we get a palindrome (456654).

The spelling of 143313 in words is "one hundred forty-three thousand, three hundred thirteen".