144240100000021 has 8 divisors (see below), whose sum is σ = 144789093187200. Its totient is φ = 143691110993232.

The previous prime is 144240099999977. The next prime is 144240100000027. The reversal of 144240100000021 is 120000001042441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144240100000021 - 2⁷ = 144240099999893 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 (144240100000027) 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, 80042680 + ... + 81824878.

It is an arithmetic number, because the mean of its divisors is an integer number (18098636648400).

Almost surely, 2^{144240100000021} is an apocalyptic number.

It is an amenable number.

144240100000021 is a deficient number, since it is larger than the sum of its proper divisors (548993187179).

144240100000021 is a wasteful number, since it uses less digits than its factorization.

144240100000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090195.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 144240100000021 its reverse (120000001042441), we get a palindrome (264240101042462).

The spelling of 144240100000021 in words is "one hundred forty-four trillion, two hundred forty billion, one hundred million, twenty-one", and thus it is an aban number.