144421001013 has 4 divisors (see below), whose sum is σ = 192561334688. Its totient is φ = 96280667340.

The previous prime is 144421000957. The next prime is 144421001047. The reversal of 144421001013 is 310100124441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 144421001013 - 2³² = 140126033717 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 (144421001113) 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, 24070166833 + ... + 24070166838.

It is an arithmetic number, because the mean of its divisors is an integer number (48140333672).

Almost surely, 2^144421001013 is an apocalyptic number.

It is an amenable number.

144421001013 is a deficient number, since it is larger than the sum of its proper divisors (48140333675).

144421001013 is an equidigital number, since it uses as much as digits as its factorization.

144421001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48140333674.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 144421001013 its reverse (310100124441), we get a palindrome (454521125454).

The spelling of 144421001013 in words is "one hundred forty-four billion, four hundred twenty-one million, one thousand, thirteen".