144246318449 has 16 divisors (see below), whose sum is σ = 159505960320. Its totient is φ = 129967770240.

The previous prime is 144246318427. The next prime is 144246318479. The reversal of 144246318449 is 944813642441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144246318449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144246318397 and 144246318406.

It is not an unprimeable number, because it can be changed into a prime (144246318479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609987 + ... + 2664680.

It is an arithmetic number, because the mean of its divisors is an integer number (9969122520).

Almost surely, 2^144246318449 is an apocalyptic number.

It is an amenable number.

144246318449 is a deficient number, since it is larger than the sum of its proper divisors (15259641871).

144246318449 is a wasteful number, since it uses less digits than its factorization.

144246318449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274760.

The product of its digits is 2654208, while the sum is 50.

The spelling of 144246318449 in words is "one hundred forty-four billion, two hundred forty-six million, three hundred eighteen thousand, four hundred forty-nine".