144456385487 has 8 divisors (see below), whose sum is σ = 149594800320. Its totient is φ = 139407334560.

The previous prime is 144456385481. The next prime is 144456385511. The reversal of 144456385487 is 784583654441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144456385487 - 2¹⁰ = 144456384463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144456385481) 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, 22337687 + ... + 22344152.

It is an arithmetic number, because the mean of its divisors is an integer number (18699350040).

Almost surely, 2^144456385487 is an apocalyptic number.

144456385487 is a deficient number, since it is larger than the sum of its proper divisors (5138414833).

144456385487 is an equidigital number, since it uses as much as digits as its factorization.

144456385487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44681953.

The product of its digits is 51609600, while the sum is 59.

The spelling of 144456385487 in words is "one hundred forty-four billion, four hundred fifty-six million, three hundred eighty-five thousand, four hundred eighty-seven".