144240341041021 has 4 divisors (see below), whose sum is σ = 144244107244000. Its totient is φ = 144236574838044.

The previous prime is 144240341041019. The next prime is 144240341041127. The reversal of 144240341041021 is 120140143042441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144240341041021 - 2¹ = 144240341041019 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 (144240341041921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883044041 + ... + 1883120638.

It is an arithmetic number, because the mean of its divisors is an integer number (36061026811000).

Almost surely, 2^{144240341041021} is an apocalyptic number.

It is an amenable number.

144240341041021 is a deficient number, since it is larger than the sum of its proper divisors (3766202979).

144240341041021 is an equidigital number, since it uses as much as digits as its factorization.

144240341041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766202978.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 144240341041021 its reverse (120140143042441), we get a palindrome (264380484083462).

The spelling of 144240341041021 in words is "one hundred forty-four trillion, two hundred forty billion, three hundred forty-one million, forty-one thousand, twenty-one".