144555663 has 16 divisors (see below), whose sum is σ = 220599296. Its totient is φ = 82481760.

The previous prime is 144555623. The next prime is 144555679. The reversal of 144555663 is 366555441.

It is not a de Polignac number, because 144555663 - 2¹² = 144551567 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 (144555613) 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 15 ways as a sum of consecutive naturals, for example, 10698 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (13787456).

Almost surely, 2^144555663 is an apocalyptic number.

144555663 is a deficient number, since it is larger than the sum of its proper divisors (76043633).

144555663 is an equidigital number, since it uses as much as digits as its factorization.

144555663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10134.

The product of its digits is 216000, while the sum is 39.

The square root of 144555663 is about 12023.1303328210. The cubic root of 144555663 is about 524.8216028789.

The spelling of 144555663 in words is "one hundred forty-four million, five hundred fifty-five thousand, six hundred sixty-three".