144640563707 has 4 divisors (see below), whose sum is σ = 148168382376. Its totient is φ = 141112745040.

The previous prime is 144640563679. The next prime is 144640563721. The reversal of 144640563707 is 707365046441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144640563707 - 2³⁰ = 143566821883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144640563787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763909273 + ... + 1763909354.

It is an arithmetic number, because the mean of its divisors is an integer number (37042095594).

Almost surely, 2^144640563707 is an apocalyptic number.

144640563707 is a deficient number, since it is larger than the sum of its proper divisors (3527818669).

144640563707 is an equidigital number, since it uses as much as digits as its factorization.

144640563707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527818668.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 144640563707 in words is "one hundred forty-four billion, six hundred forty million, five hundred sixty-three thousand, seven hundred seven".