144240403120061 has 2 divisors, whose sum is σ = 144240403120062. Its totient is φ = 144240403120060.

The previous prime is 144240403119983. The next prime is 144240403120097. The reversal of 144240403120061 is 160021304042441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129483780260836 + 14756622859225 = 11379094^2 + 3841435^2 .

It is a cyclic number.

It is not a de Polignac number, because 144240403120061 - 2¹⁰ = 144240403119037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144240403129061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120201560030 + 72120201560031.

It is an arithmetic number, because the mean of its divisors is an integer number (72120201560031).

Almost surely, 2^{144240403120061} is an apocalyptic number.

It is an amenable number.

144240403120061 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240403120061 is an equidigital number, since it uses as much as digits as its factorization.

144240403120061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 144240403120061 in words is "one hundred forty-four trillion, two hundred forty billion, four hundred three million, one hundred twenty thousand, sixty-one".