144311444042421 has 16 divisors (see below), whose sum is σ = 193529958153984. Its totient is φ = 95650293856704.

The previous prime is 144311444042291. The next prime is 144311444042431. The reversal of 144311444042421 is 124240444113441.

It is a happy number.

It is not a de Polignac number, because 144311444042421 - 2¹⁰ = 144311444041397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144311444042421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144311444042431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39823780 + ... + 43296146.

It is an arithmetic number, because the mean of its divisors is an integer number (12095622384624).

Almost surely, 2^{144311444042421} is an apocalyptic number.

It is an amenable number.

144311444042421 is a deficient number, since it is larger than the sum of its proper divisors (49218514111563).

144311444042421 is a wasteful number, since it uses less digits than its factorization.

144311444042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552620.

The product of its (nonzero) digits is 196608, while the sum is 39.

Adding to 144311444042421 its reverse (124240444113441), we get a palindrome (268551888155862).

The spelling of 144311444042421 in words is "one hundred forty-four trillion, three hundred eleven billion, four hundred forty-four million, forty-two thousand, four hundred twenty-one".