143144220424 has 16 divisors (see below), whose sum is σ = 268707877200. Its totient is φ = 71488786512.

The previous prime is 143144220419. The next prime is 143144220521. The reversal of 143144220424 is 424022441341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10408162 + ... + 10421905.

It is an arithmetic number, because the mean of its divisors is an integer number (16794242325).

Almost surely, 2^143144220424 is an apocalyptic number.

It is an amenable number.

143144220424 is a deficient number, since it is larger than the sum of its proper divisors (125563656776).

143144220424 is a wasteful number, since it uses less digits than its factorization.

143144220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20830932 (or 20830928 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 143144220424 its reverse (424022441341), we get a palindrome (567166661765).

The spelling of 143144220424 in words is "one hundred forty-three billion, one hundred forty-four million, two hundred twenty thousand, four hundred twenty-four".