143001728856 has 256 divisors, whose sum is σ = 474504652800. Its totient is φ = 39015820800.

The previous prime is 143001728803. The next prime is 143001728861. The reversal of 143001728856 is 658827100341.

143001728856 is a `hidden beast` number, since 1 + 4 + 300 + 17 + 288 + 56 = 666.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 22983826 + ... + 22990046.

It is an arithmetic number, because the mean of its divisors is an integer number (1853533800).

Almost surely, 2^143001728856 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 143001728856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237252326400).

143001728856 is an abundant number, since it is smaller than the sum of its proper divisors (331502923944).

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

143001728856 is a wasteful number, since it uses less digits than its factorization.

143001728856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 143001728856 in words is "one hundred forty-three billion, one million, seven hundred twenty-eight thousand, eight hundred fifty-six".