143306642221243 has 8 divisors (see below), whose sum is σ = 146409546885120. Its totient is φ = 140205980356200.

The previous prime is 143306642221229. The next prime is 143306642221247. The reversal of 143306642221243 is 342122246603341.

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 143306642221243 - 2¹³ = 143306642213051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143306642221243.

It is not an unprimeable number, because it can be changed into a prime (143306642221247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560570533 + ... + 560826118.

It is an arithmetic number, because the mean of its divisors is an integer number (18301193360640).

Almost surely, 2^{143306642221243} is an apocalyptic number.

143306642221243 is a deficient number, since it is larger than the sum of its proper divisors (3102904663877).

143306642221243 is a wasteful number, since it uses less digits than its factorization.

143306642221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121399417.

The product of its (nonzero) digits is 995328, while the sum is 43.

Adding to 143306642221243 its reverse (342122246603341), we get a palindrome (485428888824584).

The spelling of 143306642221243 in words is "one hundred forty-three trillion, three hundred six billion, six hundred forty-two million, two hundred twenty-one thousand, two hundred forty-three".