143213 has 8 divisors (see below), whose sum is σ = 168000. Its totient is φ = 119520.

The previous prime is 143197. The next prime is 143239. The reversal of 143213 is 312341.

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

It is a cyclic number.

It is not a de Polignac number, because 143213 - 2⁴ = 143197 is a prime.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143243) 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, 38 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2¹⁴³²¹³ is an apocalyptic number.

It is an amenable number.

143213 is a deficient number, since it is larger than the sum of its proper divisors (24787).

143213 is an equidigital number, since it uses as much as digits as its factorization.

143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its digits is 72, while the sum is 14.

The square root of 143213 is about 378.4349349624. The cubic root of 143213 is about 52.3191662014.

Adding to 143213 its reverse (312341), we get a palindrome (455554).

The spelling of 143213 in words is "one hundred forty-three thousand, two hundred thirteen".