144171241397 has 4 divisors (see below), whose sum is σ = 144174657120. Its totient is φ = 144167825676.

The previous prime is 144171241373. The next prime is 144171241439. The reversal of 144171241397 is 793142171441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793142171441 = 36887 ⋅21501943.

It is a cyclic number.

It is not a de Polignac number, because 144171241397 - 2²⁰ = 144170192821 is a prime.

It is a super-3 number, since 3×144171241397³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144171241327) 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, 1643747 + ... + 1729232.

It is an arithmetic number, because the mean of its divisors is an integer number (36043664280).

Almost surely, 2^144171241397 is an apocalyptic number.

It is an amenable number.

144171241397 is a deficient number, since it is larger than the sum of its proper divisors (3415723).

144171241397 is an equidigital number, since it uses as much as digits as its factorization.

144171241397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415722.

The product of its digits is 169344, while the sum is 44.

The spelling of 144171241397 in words is "one hundred forty-four billion, one hundred seventy-one million, two hundred forty-one thousand, three hundred ninety-seven".