143312440232 has 64 divisors (see below), whose sum is σ = 295916785920. Its totient is φ = 64653896448.

The previous prime is 143312440181. The next prime is 143312440241. The reversal of 143312440232 is 232044213341.

It is a junction number, because it is equal to n+sod(n) for n = 143312440195 and 143312440204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877343 + ... + 3914129.

It is an arithmetic number, because the mean of its divisors is an integer number (4623699780).

Almost surely, 2^143312440232 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 143312440232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147958392960).

143312440232 is an abundant number, since it is smaller than the sum of its proper divisors (152604345688).

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

143312440232 is a wasteful number, since it uses less digits than its factorization.

143312440232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37650 (or 37646 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 143312440232 its reverse (232044213341), we get a palindrome (375356653573).

The spelling of 143312440232 in words is "one hundred forty-three billion, three hundred twelve million, four hundred forty thousand, two hundred thirty-two".