144311011413421 has 8 divisors (see below), whose sum is σ = 147891353852088. Its totient is φ = 140733552864000.

The previous prime is 144311011413377. The next prime is 144311011413449. The reversal of 144311011413421 is 124314110113441.

It can be written as a sum of positive squares in 4 ways, for example, as 3395451155625 + 140915560257796 = 1842675^2 + 11870786^2 .

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-144311011413421 is a prime.

It is a super-2 number, since 2×144311011413421² (a number of 29 digits) contains 22 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 (144311011413451) 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, 720870990 + ... + 721071151.

It is an arithmetic number, because the mean of its divisors is an integer number (18486419231511).

Almost surely, 2^{144311011413421} is an apocalyptic number.

It is an amenable number.

144311011413421 is a deficient number, since it is larger than the sum of its proper divisors (3580342438667).

144311011413421 is a wasteful number, since it uses less digits than its factorization.

144311011413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441944623.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 144311011413421 its reverse (124314110113441), we get a palindrome (268625121526862).

The spelling of 144311011413421 in words is "one hundred forty-four trillion, three hundred eleven billion, eleven million, four hundred thirteen thousand, four hundred twenty-one".