144422143315021 has 16 divisors (see below), whose sum is σ = 170751475335168. Its totient is φ = 120421474430400.

The previous prime is 144422143315013. The next prime is 144422143315031. The reversal of 144422143315021 is 120513341224441.

It is not a de Polignac number, because 144422143315021 - 2³ = 144422143315013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422143315001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3216363085 + ... + 3216407986.

It is an arithmetic number, because the mean of its divisors is an integer number (10671967208448).

Almost surely, 2^{144422143315021} is an apocalyptic number.

144422143315021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144422143315021 is a deficient number, since it is larger than the sum of its proper divisors (26329332020147).

144422143315021 is a wasteful number, since it uses less digits than its factorization.

144422143315021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432771252.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 144422143315021 its reverse (120513341224441), we get a palindrome (264935484539462).

The spelling of 144422143315021 in words is "one hundred forty-four trillion, four hundred twenty-two billion, one hundred forty-three million, three hundred fifteen thousand, twenty-one".