143044324021 has 2 divisors, whose sum is σ = 143044324022. Its totient is φ = 143044324020.

The previous prime is 143044324009. The next prime is 143044324039. The reversal of 143044324021 is 120423440341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137760487921 + 5283836100 = 371161^2 + 72690^2 .

It is a cyclic number.

It is not a de Polignac number, because 143044324021 - 2⁹ = 143044323509 is a prime.

It is a super-4 number, since 4×143044324021⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143044324061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71522162010 + 71522162011.

It is an arithmetic number, because the mean of its divisors is an integer number (71522162011).

Almost surely, 2^143044324021 is an apocalyptic number.

It is an amenable number.

143044324021 is a deficient number, since it is larger than the sum of its proper divisors (1).

143044324021 is an equidigital number, since it uses as much as digits as its factorization.

143044324021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 143044324021 its reverse (120423440341), we get a palindrome (263467764362).

The spelling of 143044324021 in words is "one hundred forty-three billion, forty-four million, three hundred twenty-four thousand, twenty-one".