144040020010421 has 8 divisors (see below), whose sum is σ = 151910980156320. Its totient is φ = 136198050510672.

The previous prime is 144040020010409. The next prime is 144040020010441. The reversal of 144040020010421 is 124010020040441.

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 144040020010421 - 2¹⁰ = 144040020009397 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 (144040020010441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7247651330 + ... + 7247671203.

It is an arithmetic number, because the mean of its divisors is an integer number (18988872519540).

Almost surely, 2^{144040020010421} is an apocalyptic number.

It is an amenable number.

144040020010421 is a deficient number, since it is larger than the sum of its proper divisors (7870960145899).

144040020010421 is a wasteful number, since it uses less digits than its factorization.

144040020010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14495323075.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 144040020010421 its reverse (124010020040441), we get a palindrome (268050040050862).

The spelling of 144040020010421 in words is "one hundred forty-four trillion, forty billion, twenty million, ten thousand, four hundred twenty-one".