144040004233321 has 6 divisors (see below), whose sum is σ = 167556739618410. Its totient is φ = 123462860771376.

The previous prime is 144040004233259. The next prime is 144040004233327. The reversal of 144040004233321 is 123332400040441.

It can be written as a sum of positive squares in only one way, i.e., 128852919795600 + 15187084437721 = 11351340^2 + 3897061^2 .

It is not a de Polignac number, because 144040004233321 - 2⁷ = 144040004233193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144040004233327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1469795961516 + ... + 1469795961613.

It is an arithmetic number, because the mean of its divisors is an integer number (27926123269735).

Almost surely, 2^{144040004233321} is an apocalyptic number.

It is an amenable number.

144040004233321 is a deficient number, since it is larger than the sum of its proper divisors (23516735385089).

144040004233321 is an equidigital number, since it uses as much as digits as its factorization.

144040004233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939591923143 (or 2939591923136 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 144040004233321 its reverse (123332400040441), we get a palindrome (267372404273762).

The spelling of 144040004233321 in words is "one hundred forty-four trillion, forty billion, four million, two hundred thirty-three thousand, three hundred twenty-one".