143224440424142 has 48 divisors (see below), whose sum is σ = 272730489966000. Its totient is φ = 55781429961600.

The previous prime is 143224440424103. The next prime is 143224440424147. The reversal of 143224440424142 is 241424044422341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143224440424142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143224440424147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21201959 + ... + 27128802.

It is an arithmetic number, because the mean of its divisors is an integer number (5681885207625).

Almost surely, 2^{143224440424142} is an apocalyptic number.

143224440424142 is a deficient number, since it is larger than the sum of its proper divisors (129506049541858).

143224440424142 is a wasteful number, since it uses less digits than its factorization.

143224440424142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48333537 (or 48333530 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 41.

Adding to 143224440424142 its reverse (241424044422341), we get a palindrome (384648484846483).

The spelling of 143224440424142 in words is "one hundred forty-three trillion, two hundred twenty-four billion, four hundred forty million, four hundred twenty-four thousand, one hundred forty-two".