143405222368 has 48 divisors (see below), whose sum is σ = 289377797184. Its totient is φ = 69923473920.

The previous prime is 143405222347. The next prime is 143405222407. The reversal of 143405222368 is 863222504341.

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 143405222368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244498 + ... + 588718.

It is an arithmetic number, because the mean of its divisors is an integer number (6028704108).

Almost surely, 2^143405222368 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 143405222368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144688898592).

143405222368 is an abundant number, since it is smaller than the sum of its proper divisors (145972574816).

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

143405222368 is a wasteful number, since it uses less digits than its factorization.

143405222368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344555 (or 344547 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 143405222368 in words is "one hundred forty-three billion, four hundred five million, two hundred twenty-two thousand, three hundred sixty-eight".