144640288601 has 2 divisors, whose sum is σ = 144640288602. Its totient is φ = 144640288600.

The previous prime is 144640288589. The next prime is 144640288609. The reversal of 144640288601 is 106882046441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86876973001 + 57763315600 = 294749^2 + 240340^2 .

It is a cyclic number.

It is not a de Polignac number, because 144640288601 - 2⁶ = 144640288537 is a prime.

It is not a weakly prime, because it can be changed into another prime (144640288609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320144300 + 72320144301.

It is an arithmetic number, because the mean of its divisors is an integer number (72320144301).

Almost surely, 2^144640288601 is an apocalyptic number.

It is an amenable number.

144640288601 is a deficient number, since it is larger than the sum of its proper divisors (1).

144640288601 is an equidigital number, since it uses as much as digits as its factorization.

144640288601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 144640288601 in words is "one hundred forty-four billion, six hundred forty million, two hundred eighty-eight thousand, six hundred one".