143040422243 has 4 divisors (see below), whose sum is σ = 143633951208. Its totient is φ = 142446893280.

The previous prime is 143040422227. The next prime is 143040422257. The reversal of 143040422243 is 342224040341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143040422243 - 2⁴ = 143040422227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143040422843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296764121 + ... + 296764602.

It is an arithmetic number, because the mean of its divisors is an integer number (35908487802).

Almost surely, 2^143040422243 is an apocalyptic number.

143040422243 is a deficient number, since it is larger than the sum of its proper divisors (593528965).

143040422243 is an equidigital number, since it uses as much as digits as its factorization.

143040422243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593528964.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 143040422243 its reverse (342224040341), we get a palindrome (485264462584).

The spelling of 143040422243 in words is "one hundred forty-three billion, forty million, four hundred twenty-two thousand, two hundred forty-three".