144318861446 has 16 divisors (see below), whose sum is σ = 217658469600. Its totient is φ = 71767073280.

The previous prime is 144318861443. The next prime is 144318861497. The reversal of 144318861446 is 644168813441.

It is a junction number, because it is equal to n+sod(n) for n = 144318861394 and 144318861403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144318861443) 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, 20900 + ... + 537656.

It is an arithmetic number, because the mean of its divisors is an integer number (13603654350).

Almost surely, 2^144318861446 is an apocalyptic number.

144318861446 is a deficient number, since it is larger than the sum of its proper divisors (73339608154).

144318861446 is a wasteful number, since it uses less digits than its factorization.

144318861446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517519.

The product of its digits is 1769472, while the sum is 50.

The spelling of 144318861446 in words is "one hundred forty-four billion, three hundred eighteen million, eight hundred sixty-one thousand, four hundred forty-six".