144565666244 has 24 divisors (see below), whose sum is σ = 268748356800. Its totient is φ = 67850226720.

The previous prime is 144565666241. The next prime is 144565666247. The reversal of 144565666244 is 442666565441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144565666241) and next prime (144565666247).

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (144565666241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8717312 + ... + 8733879.

It is an arithmetic number, because the mean of its divisors is an integer number (11197848200).

Almost surely, 2^144565666244 is an apocalyptic number.

It is an amenable number.

144565666244 is a deficient number, since it is larger than the sum of its proper divisors (124182690556).

144565666244 is a wasteful number, since it uses less digits than its factorization.

144565666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451323 (or 17451321 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 53.

The spelling of 144565666244 in words is "one hundred forty-four billion, five hundred sixty-five million, six hundred sixty-six thousand, two hundred forty-four".