144240112041021 has 6 divisors (see below), whose sum is σ = 208346828503710. Its totient is φ = 96160074694008.

The previous prime is 144240112040953. The next prime is 144240112041083. The reversal of 144240112041021 is 120140211042441.

144240112041021 is a `hidden beast` number, since 1 + 4 + 4 + 240 + 1 + 1 + 2 + 0 + 410 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130446984552921 + 13793127488100 = 11421339^2 + 3713910^2 .

It is not a de Polignac number, because 144240112041021 - 2²³ = 144240103652413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240112043021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8013339557826 + ... + 8013339557843.

It is an arithmetic number, because the mean of its divisors is an integer number (34724471417285).

Almost surely, 2^{144240112041021} is an apocalyptic number.

It is an amenable number.

144240112041021 is a deficient number, since it is larger than the sum of its proper divisors (64106716462689).

144240112041021 is a wasteful number, since it uses less digits than its factorization.

144240112041021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16026679115675 (or 16026679115672 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 144240112041021 its reverse (120140211042441), we get a palindrome (264380323083462).

The spelling of 144240112041021 in words is "one hundred forty-four trillion, two hundred forty billion, one hundred twelve million, forty-one thousand, twenty-one".