143440004243 has 4 divisors (see below), whose sum is σ = 143441463840. Its totient is φ = 143438544648.

The previous prime is 143440004237. The next prime is 143440004251. The reversal of 143440004243 is 342400044341.

It is a happy number.

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 143440004243 - 2¹⁰ = 143440003219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143440004203) 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, 570848 + ... + 782781.

It is an arithmetic number, because the mean of its divisors is an integer number (35860365960).

Almost surely, 2^143440004243 is an apocalyptic number.

143440004243 is a deficient number, since it is larger than the sum of its proper divisors (1459597).

143440004243 is a wasteful number, since it uses less digits than its factorization.

143440004243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459596.

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

Adding to 143440004243 its reverse (342400044341), we get a palindrome (485840048584).

The spelling of 143440004243 in words is "one hundred forty-three billion, four hundred forty million, four thousand, two hundred forty-three".