143021243433443 has 16 divisors (see below), whose sum is σ = 147871148967936. Its totient is φ = 138186163019520.

The previous prime is 143021243433407. The next prime is 143021243433469. The reversal of 143021243433443 is 344334342120341.

It is a de Polignac number, because none of the positive numbers 2^k-143021243433443 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 143021243433443.

It is not an unprimeable number, because it can be changed into a prime (143021243433743) 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, 156075146 + ... + 156988832.

It is an arithmetic number, because the mean of its divisors is an integer number (9241946810496).

Almost surely, 2^{143021243433443} is an apocalyptic number.

143021243433443 is a deficient number, since it is larger than the sum of its proper divisors (4849905534493).

143021243433443 is an equidigital number, since it uses as much as digits as its factorization.

143021243433443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921794.

The product of its (nonzero) digits is 995328, while the sum is 41.

Adding to 143021243433443 its reverse (344334342120341), we get a palindrome (487355585553784).

The spelling of 143021243433443 in words is "one hundred forty-three trillion, twenty-one billion, two hundred forty-three million, four hundred thirty-three thousand, four hundred forty-three".