144442887285 has 64 divisors (see below), whose sum is σ = 236359086336. Its totient is φ = 75303475200.

The previous prime is 144442887283. The next prime is 144442887301. The reversal of 144442887285 is 582788244441.

144442887285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144442887285 - 2¹ = 144442887283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442887283) 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 63 ways as a sum of consecutive naturals, for example, 189806305 + ... + 189807065.

It is an arithmetic number, because the mean of its divisors is an integer number (3693110724).

Almost surely, 2^144442887285 is an apocalyptic number.

144442887285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144442887285 is a deficient number, since it is larger than the sum of its proper divisors (91916199051).

144442887285 is a wasteful number, since it uses less digits than its factorization.

144442887285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its digits is 18350080, while the sum is 57.

The spelling of 144442887285 in words is "one hundred forty-four billion, four hundred forty-two million, eight hundred eighty-seven thousand, two hundred eighty-five".