144664309507 has 2 divisors, whose sum is σ = 144664309508. Its totient is φ = 144664309506.

The previous prime is 144664309483. The next prime is 144664309519. The reversal of 144664309507 is 705903466441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144664309507 - 2⁷ = 144664309379 is a prime.

It is not a weakly prime, because it can be changed into another prime (144664399507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72332154753 + 72332154754.

It is an arithmetic number, because the mean of its divisors is an integer number (72332154754).

Almost surely, 2^144664309507 is an apocalyptic number.

144664309507 is a deficient number, since it is larger than the sum of its proper divisors (1).

144664309507 is an equidigital number, since it uses as much as digits as its factorization.

144664309507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 144664309507 in words is "one hundred forty-four billion, six hundred sixty-four million, three hundred nine thousand, five hundred seven".