143206 has 16 divisors (see below), whose sum is σ = 251424. Its totient is φ = 59904.

The previous prime is 143197. The next prime is 143239. The reversal of 143206 is 602341.

It is a self number, because there is not a number n which added to its sum of digits gives 143206.

It is a congruent number.

It is an unprimeable number.

143206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (15714).

2¹⁴³²⁰⁶ is an apocalyptic number.

143206 is a deficient number, since it is larger than the sum of its proper divisors (108218).

143206 is a wasteful number, since it uses less digits than its factorization.

143206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143206 is about 378.4256862318. The cubic root of 143206 is about 52.3183137645.

Adding to 143206 its reverse (602341), we get a palindrome (745547).

The spelling of 143206 in words is "one hundred forty-three thousand, two hundred six".