144644340551423 has 32 divisors (see below), whose sum is σ = 154621997107200. Its totient is φ = 135008960857056.

The previous prime is 144644340551317. The next prime is 144644340551429. The reversal of 144644340551423 is 324155043446441.

It is not a de Polignac number, because 144644340551423 - 2¹⁸ = 144644340289279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144644340551429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1162421336 + ... + 1162545762.

It is an arithmetic number, because the mean of its divisors is an integer number (4831937409600).

Almost surely, 2^{144644340551423} is an apocalyptic number.

144644340551423 is a deficient number, since it is larger than the sum of its proper divisors (9977656555777).

144644340551423 is a wasteful number, since it uses less digits than its factorization.

144644340551423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130811.

The product of its (nonzero) digits is 11059200, while the sum is 50.

Adding to 144644340551423 its reverse (324155043446441), we get a palindrome (468799383997864).

The spelling of 144644340551423 in words is "one hundred forty-four trillion, six hundred forty-four billion, three hundred forty million, five hundred fifty-one thousand, four hundred twenty-three".