144285728728 has 32 divisors (see below), whose sum is σ = 273008134800. Its totient is φ = 71483926528.

The previous prime is 144285728689. The next prime is 144285728749. The reversal of 144285728728 is 827827582441.

144285728728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 3416928 + ... + 3458896.

Almost surely, 2^144285728728 is an apocalyptic number.

It is an amenable number.

144285728728 is a deficient number, since it is larger than the sum of its proper divisors (128722406072).

144285728728 is a wasteful number, since it uses less digits than its factorization.

144285728728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45891 (or 45887 counting only the distinct ones).

The product of its digits is 16056320, while the sum is 58.

The spelling of 144285728728 in words is "one hundred forty-four billion, two hundred eighty-five million, seven hundred twenty-eight thousand, seven hundred twenty-eight".