144640700663 has 8 divisors (see below), whose sum is σ = 145003862016. Its totient is φ = 144277667800.

The previous prime is 144640700639. The next prime is 144640700669. The reversal of 144640700663 is 366007046441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144640700663 - 2¹² = 144640696567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144640700663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144640700669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463458 + ... + 2521488.

It is an arithmetic number, because the mean of its divisors is an integer number (18125482752).

Almost surely, 2^144640700663 is an apocalyptic number.

144640700663 is a deficient number, since it is larger than the sum of its proper divisors (363161353).

144640700663 is an equidigital number, since it uses as much as digits as its factorization.

144640700663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64245.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 144640700663 in words is "one hundred forty-four billion, six hundred forty million, seven hundred thousand, six hundred sixty-three".