144520563007 has 4 divisors (see below), whose sum is σ = 144591792520. Its totient is φ = 144449333496.

The previous prime is 144520563001. The next prime is 144520563017. The reversal of 144520563007 is 700365025441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144520563007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144520563001) 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, 35611713 + ... + 35615770.

It is an arithmetic number, because the mean of its divisors is an integer number (36147948130).

Almost surely, 2^144520563007 is an apocalyptic number.

144520563007 is a deficient number, since it is larger than the sum of its proper divisors (71229513).

144520563007 is an equidigital number, since it uses as much as digits as its factorization.

144520563007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71229512.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 144520563007 its reverse (700365025441), we get a palindrome (844885588448).

The spelling of 144520563007 in words is "one hundred forty-four billion, five hundred twenty million, five hundred sixty-three thousand, seven".