144055000021 has 4 divisors (see below), whose sum is σ = 145540103212. Its totient is φ = 142569896832.

The previous prime is 144054999961. The next prime is 144055000031. The reversal of 144055000021 is 120000550441.

144055000021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30681375921 + 113373624100 = 175161^2 + 336710^2 .

It is a cyclic number.

It is not a de Polignac number, because 144055000021 - 2²³ = 144046611413 is a prime.

It is a super-3 number, since 3×144055000021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144054999956 and 144055000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144055000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742551450 + ... + 742551643.

It is an arithmetic number, because the mean of its divisors is an integer number (36385025803).

Almost surely, 2^144055000021 is an apocalyptic number.

It is an amenable number.

144055000021 is a deficient number, since it is larger than the sum of its proper divisors (1485103191).

144055000021 is an equidigital number, since it uses as much as digits as its factorization.

144055000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485103190.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 144055000021 its reverse (120000550441), we get a palindrome (264055550462).

The spelling of 144055000021 in words is "one hundred forty-four billion, fifty-five million, twenty-one", and thus it is an aban number.