144310210000021 has 16 divisors (see below), whose sum is σ = 156465453538800. Its totient is φ = 132305733987840.

The previous prime is 144310209999997. The next prime is 144310210000031. The reversal of 144310210000021 is 120000012013441.

It can be written as a sum of positive squares in 8 ways, for example, as 88383294735121 + 55926915264900 = 9401239^2 + 7478430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144310210000021 is a prime.

It is a super-2 number, since 2×144310210000021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144310210000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23862691 + ... + 29292463.

It is an arithmetic number, because the mean of its divisors is an integer number (9779090846175).

Almost surely, 2^{144310210000021} is an apocalyptic number.

It is an amenable number.

144310210000021 is a deficient number, since it is larger than the sum of its proper divisors (12155243538779).

144310210000021 is a wasteful number, since it uses less digits than its factorization.

144310210000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443656.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 144310210000021 its reverse (120000012013441), we get a palindrome (264310222013462).

The spelling of 144310210000021 in words is "one hundred forty-four trillion, three hundred ten billion, two hundred ten million, twenty-one", and thus it is an aban number.