144302001412221 has 8 divisors (see below), whose sum is σ = 213780742832960. Its totient is φ = 96201334274796.

The previous prime is 144302001412189. The next prime is 144302001412271. The reversal of 144302001412221 is 122214100203441.

144302001412221 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 0 + 20 + 0 + 1 + 412 + 221 = 666.

It is not a de Polignac number, because 144302001412221 - 2⁵ = 144302001412189 is a prime.

It is a super-2 number, since 2×144302001412221² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5344518570823 = 144302001412221 / (1 + 4 + 4 + 3 + 0 + 2 + 0 + 0 + 1 + 4 + 1 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144302001412271) 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, 2672259285385 + ... + 2672259285438.

It is an arithmetic number, because the mean of its divisors is an integer number (26722592854120).

Almost surely, 2^{144302001412221} is an apocalyptic number.

It is an amenable number.

144302001412221 is a deficient number, since it is larger than the sum of its proper divisors (69478741420739).

144302001412221 is an equidigital number, since it uses as much as digits as its factorization.

144302001412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344518570832 (or 5344518570826 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 144302001412221 its reverse (122214100203441), we get a palindrome (266516101615662).

The spelling of 144302001412221 in words is "one hundred forty-four trillion, three hundred two billion, one million, four hundred twelve thousand, two hundred twenty-one".