143224441040 has 80 divisors (see below), whose sum is σ = 353107948752. Its totient is φ = 53839798272.

The previous prime is 143224441039. The next prime is 143224441049. The reversal of 143224441040 is 40144422341.

It can be written as a sum of positive squares in 8 ways, for example, as 47931220624 + 95293220416 = 218932^2 + 308696^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×143224441040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143224440994 and 143224441012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143224441049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842942 + ... + 998498.

Almost surely, 2^143224441040 is an apocalyptic number.

143224441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143224441040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176553974376).

143224441040 is an abundant number, since it is smaller than the sum of its proper divisors (209883507712).

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

143224441040 is a wasteful number, since it uses less digits than its factorization.

143224441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156264 (or 156258 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 143224441040 its reverse (40144422341), we get a palindrome (183368863381).

The spelling of 143224441040 in words is "one hundred forty-three billion, two hundred twenty-four million, four hundred forty-one thousand, forty".