143420443424 has 96 divisors (see below), whose sum is σ = 300956569200. Its totient is φ = 67044769792.

The previous prime is 143420443409. The next prime is 143420443499. The reversal of 143420443424 is 424344024341.

It can be written as a sum of positive squares in 8 ways, for example, as 139974753424 + 3445690000 = 374132^2 + 58700^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56264102 + ... + 56266650.

Almost surely, 2^143420443424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143420443424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150478284600).

143420443424 is an abundant number, since it is smaller than the sum of its proper divisors (157536125776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143420443424 is a wasteful number, since it uses less digits than its factorization.

143420443424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 143420443424 its reverse (424344024341), we get a palindrome (567764467765).

The spelling of 143420443424 in words is "one hundred forty-three billion, four hundred twenty million, four hundred forty-three thousand, four hundred twenty-four".