144344340431 has 8 divisors (see below), whose sum is σ = 152593524720. Its totient is φ = 136160367552.

The previous prime is 144344340407. The next prime is 144344340559. The reversal of 144344340431 is 134043443441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144344340431 is a prime.

It is a super-2 number, since 2×144344340431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144344340391 and 144344340400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144344342431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16298300 + ... + 16307153.

It is an arithmetic number, because the mean of its divisors is an integer number (19074190590).

Almost surely, 2^144344340431 is an apocalyptic number.

144344340431 is a deficient number, since it is larger than the sum of its proper divisors (8249184289).

144344340431 is a wasteful number, since it uses less digits than its factorization.

144344340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32605705.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 144344340431 its reverse (134043443441), we get a palindrome (278387783872).

The spelling of 144344340431 in words is "one hundred forty-four billion, three hundred forty-four million, three hundred forty thousand, four hundred thirty-one".