144640564067 has 2 divisors, whose sum is σ = 144640564068. Its totient is φ = 144640564066.

The previous prime is 144640564051. The next prime is 144640564141. The reversal of 144640564067 is 760465046441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144640564067 - 2⁴ = 144640564051 is a prime.

It is not a weakly prime, because it can be changed into another prime (144640594067) 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 as a sum of consecutive naturals, namely, 72320282033 + 72320282034.

It is an arithmetic number, because the mean of its divisors is an integer number (72320282034).

Almost surely, 2^144640564067 is an apocalyptic number.

144640564067 is a deficient number, since it is larger than the sum of its proper divisors (1).

144640564067 is an equidigital number, since it uses as much as digits as its factorization.

144640564067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 144640564067 in words is "one hundred forty-four billion, six hundred forty million, five hundred sixty-four thousand, sixty-seven".