144285728587 has 16 divisors (see below), whose sum is σ = 193726294272. Its totient is φ = 103781941920.

The previous prime is 144285728569. The next prime is 144285728603. The reversal of 144285728587 is 785827582441.

144285728587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144285728587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144285728507) 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 15 ways as a sum of consecutive naturals, for example, 72069793 + ... + 72071794.

It is an arithmetic number, because the mean of its divisors is an integer number (12107893392).

Almost surely, 2^144285728587 is an apocalyptic number.

144285728587 is a deficient number, since it is larger than the sum of its proper divisors (49440565685).

144285728587 is a wasteful number, since it uses less digits than its factorization.

144285728587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144141618.

The product of its digits is 40140800, while the sum is 61.

The spelling of 144285728587 in words is "one hundred forty-four billion, two hundred eighty-five million, seven hundred twenty-eight thousand, five hundred eighty-seven".