144717131971 has 4 divisors (see below), whose sum is σ = 148082646712. Its totient is φ = 141351617232.

The previous prime is 144717131959. The next prime is 144717131981. The reversal of 144717131971 is 179131717441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144717131971 - 2¹¹ = 144717129923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144717131981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682757306 + ... + 1682757391.

It is an arithmetic number, because the mean of its divisors is an integer number (37020661678).

Almost surely, 2^144717131971 is an apocalyptic number.

144717131971 is a deficient number, since it is larger than the sum of its proper divisors (3365514741).

144717131971 is an equidigital number, since it uses as much as digits as its factorization.

144717131971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365514740.

The product of its digits is 148176, while the sum is 46.

The spelling of 144717131971 in words is "one hundred forty-four billion, seven hundred seventeen million, one hundred thirty-one thousand, nine hundred seventy-one".