144473172481 has 6 divisors (see below), whose sum is σ = 158801090546. Its totient is φ = 131339247600.

The previous prime is 144473172421. The next prime is 144473172499. The reversal of 144473172481 is 184271374441.

It can be written as a sum of positive squares in only one way, i.e., 94457875600 + 50015296881 = 307340^2 + 223641^2 .

It is not a de Polignac number, because 144473172481 - 2¹¹ = 144473170433 is a prime.

It is a super-2 number, since 2×144473172481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144473172421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 596996460 + ... + 596996701.

Almost surely, 2^144473172481 is an apocalyptic number.

144473172481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144473172481 is a deficient number, since it is larger than the sum of its proper divisors (14327918065).

144473172481 is a wasteful number, since it uses less digits than its factorization.

144473172481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193993183 (or 1193993172 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The spelling of 144473172481 in words is "one hundred forty-four billion, four hundred seventy-three million, one hundred seventy-two thousand, four hundred eighty-one".