144312042021 has 16 divisors (see below), whose sum is σ = 221850121344. Its totient is φ = 81734252544.

The previous prime is 144312041963. The next prime is 144312042073. The reversal of 144312042021 is 120240213441.

It is not a de Polignac number, because 144312042021 - 2⁹ = 144312041509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144312041982 and 144312042000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312082021) 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, 30404716 + ... + 30409461.

It is an arithmetic number, because the mean of its divisors is an integer number (13865632584).

Almost surely, 2^144312042021 is an apocalyptic number.

It is an amenable number.

144312042021 is a deficient number, since it is larger than the sum of its proper divisors (77538079323).

144312042021 is a wasteful number, since it uses less digits than its factorization.

144312042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60814300.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 144312042021 its reverse (120240213441), we get a palindrome (264552255462).

The spelling of 144312042021 in words is "one hundred forty-four billion, three hundred twelve million, forty-two thousand, twenty-one".