144243784017 has 32 divisors (see below), whose sum is σ = 219879339520. Its totient is φ = 94586000400.

The previous prime is 144243783997. The next prime is 144243784039. The reversal of 144243784017 is 710487342441.

It is not a de Polignac number, because 144243784017 - 2⁷ = 144243783889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144243784067) 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, 407209 + ... + 674022.

It is an arithmetic number, because the mean of its divisors is an integer number (6871229360).

Almost surely, 2^144243784017 is an apocalyptic number.

It is an amenable number.

144243784017 is a deficient number, since it is larger than the sum of its proper divisors (75635555503).

144243784017 is an frugal number, since it uses more digits than its factorization.

144243784017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081313 (or 1081295 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 144243784017 in words is "one hundred forty-four billion, two hundred forty-three million, seven hundred eighty-four thousand, seventeen".