144011240021 has 12 divisors (see below), whose sum is σ = 166888147200. Its totient is φ = 123218170560.

The previous prime is 144011240011. The next prime is 144011240047. The reversal of 144011240021 is 120042110441.

It is not a de Polignac number, because 144011240021 - 2¹⁴ = 144011223637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144011239975 and 144011240002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144011240011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22647221 + ... + 22653578.

It is an arithmetic number, because the mean of its divisors is an integer number (13907345600).

Almost surely, 2^144011240021 is an apocalyptic number.

144011240021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144011240021 is a deficient number, since it is larger than the sum of its proper divisors (22876907179).

144011240021 is a wasteful number, since it uses less digits than its factorization.

144011240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45300844 (or 45300827 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 144011240021 its reverse (120042110441), we get a palindrome (264053350462).

The spelling of 144011240021 in words is "one hundred forty-four billion, eleven million, two hundred forty thousand, twenty-one".