143721649604 has 24 divisors (see below), whose sum is σ = 272653821888. Its totient is φ = 65893773600.

The previous prime is 143721649601. The next prime is 143721649619. The reversal of 143721649604 is 406946127341.

143721649604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (143721649601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9144062 + ... + 9159765.

It is an arithmetic number, because the mean of its divisors is an integer number (11360575912).

Almost surely, 2^143721649604 is an apocalyptic number.

It is an amenable number.

143721649604 is a deficient number, since it is larger than the sum of its proper divisors (128932172284).

143721649604 is a wasteful number, since it uses less digits than its factorization.

143721649604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18303995 (or 18303993 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 143721649604 in words is "one hundred forty-three billion, seven hundred twenty-one million, six hundred forty-nine thousand, six hundred four".