144220687603687 has 8 divisors (see below), whose sum is σ = 144629793846720. Its totient is φ = 143811584463360.

The previous prime is 144220687603679. The next prime is 144220687603723. The reversal of 144220687603687 is 786306786022441.

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 144220687603687 - 2³ = 144220687603679 is a prime.

It is a super-2 number, since 2×144220687603687² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144220687603667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118128114 + ... + 119342752.

It is an arithmetic number, because the mean of its divisors is an integer number (18078724230840).

Almost surely, 2^{144220687603687} is an apocalyptic number.

144220687603687 is a deficient number, since it is larger than the sum of its proper divisors (409106243033).

144220687603687 is a wasteful number, since it uses less digits than its factorization.

144220687603687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551353.

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 144220687603687 in words is "one hundred forty-four trillion, two hundred twenty billion, six hundred eighty-seven million, six hundred three thousand, six hundred eighty-seven".