144421431301 has 12 divisors (see below), whose sum is σ = 168154208652. Its totient is φ = 123676495488.

The previous prime is 144421431281. The next prime is 144421431331. The reversal of 144421431301 is 103134124441.

It can be written as a sum of positive squares in 2 ways, for example, as 105413206276 + 39008225025 = 324674^2 + 197505^2 .

It is not a de Polignac number, because 144421431301 - 2⁷ = 144421431173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144421431301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144421431331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1294740 + ... + 1401853.

It is an arithmetic number, because the mean of its divisors is an integer number (14012850721).

Almost surely, 2^144421431301 is an apocalyptic number.

It is an amenable number.

144421431301 is a deficient number, since it is larger than the sum of its proper divisors (23732777351).

144421431301 is a wasteful number, since it uses less digits than its factorization.

144421431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697700 (or 2697693 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 144421431301 its reverse (103134124441), we get a palindrome (247555555742).

The spelling of 144421431301 in words is "one hundred forty-four billion, four hundred twenty-one million, four hundred thirty-one thousand, three hundred one".