143008728646 has 16 divisors (see below), whose sum is σ = 245769196320. Its totient is φ = 61136611200.

The previous prime is 143008728617. The next prime is 143008728649. The reversal of 143008728646 is 646827800341.

It is a self number, because there is not a number n which added to its sum of digits gives 143008728646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143008728649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12731181 + ... + 12742408.

It is an arithmetic number, because the mean of its divisors is an integer number (15360574770).

Almost surely, 2^143008728646 is an apocalyptic number.

143008728646 is a deficient number, since it is larger than the sum of its proper divisors (102760467674).

143008728646 is a wasteful number, since it uses less digits than its factorization.

143008728646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25473999.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 143008728646 in words is "one hundred forty-three billion, eight million, seven hundred twenty-eight thousand, six hundred forty-six".