144040031210021 has 8 divisors (see below), whose sum is σ = 144674973379584. Its totient is φ = 143405092589920.

The previous prime is 144040031210011. The next prime is 144040031210039. The reversal of 144040031210021 is 120012130040441.

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 144040031210021 - 2⁶ = 144040031209957 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 (144040031210011) 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, 112069001 + ... + 113346993.

It is an arithmetic number, because the mean of its divisors is an integer number (18084371672448).

Almost surely, 2^{144040031210021} is an apocalyptic number.

It is an amenable number.

144040031210021 is a deficient number, since it is larger than the sum of its proper divisors (634942169563).

144040031210021 is a wasteful number, since it uses less digits than its factorization.

144040031210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774731.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 144040031210021 its reverse (120012130040441), we get a palindrome (264052161250462).

The spelling of 144040031210021 in words is "one hundred forty-four trillion, forty billion, thirty-one million, two hundred ten thousand, twenty-one".