143441340 has 192 divisors, whose sum is σ = 495452160. Its totient is φ = 30286080.

The previous prime is 143441339. The next prime is 143441357. The reversal of 143441340 is 43144341.

It is a self number, because there is not a number n which added to its sum of digits gives 143441340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299221 + ... + 299699.

It is an arithmetic number, because the mean of its divisors is an integer number (2580480).

Almost surely, 2^143441340 is an apocalyptic number.

143441340 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 143441340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247726080).

143441340 is an abundant number, since it is smaller than the sum of its proper divisors (352010820).

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

143441340 is a wasteful number, since it uses less digits than its factorization.

143441340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 143441340 is about 11976.6998793491. The cubic root of 143441340 is about 523.4695747450.

Adding to 143441340 its reverse (43144341), we get a palindrome (186585681).

The spelling of 143441340 in words is "one hundred forty-three million, four hundred forty-one thousand, three hundred forty".