144040003341021 has 6 divisors (see below), whose sum is σ = 208057782603710. Its totient is φ = 96026668894008.

The previous prime is 144040003341001. The next prime is 144040003341043. The reversal of 144040003341021 is 120143300040441.

It can be written as a sum of positive squares in only one way, i.e., 87747920472996 + 56292082868025 = 9367386^2 + 7502805^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144040003341021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040003341001) 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 5 ways as a sum of consecutive naturals, for example, 8002222407826 + ... + 8002222407843.

Almost surely, 2^{144040003341021} is an apocalyptic number.

It is an amenable number.

144040003341021 is a deficient number, since it is larger than the sum of its proper divisors (64017779262689).

144040003341021 is a wasteful number, since it uses less digits than its factorization.

144040003341021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004444815675 (or 16004444815672 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 144040003341021 its reverse (120143300040441), we get a palindrome (264183303381462).

The spelling of 144040003341021 in words is "one hundred forty-four trillion, forty billion, three million, three hundred forty-one thousand, twenty-one".