144240112023421 has 8 divisors (see below), whose sum is σ = 147611063420480. Its totient is φ = 140869911998592.

The previous prime is 144240112023349. The next prime is 144240112023457. The reversal of 144240112023421 is 124320211042441.

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 144240112023421 - 2²³ = 144240103634813 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 (144240112623421) 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, 187454625 + ... + 188222518.

It is an arithmetic number, because the mean of its divisors is an integer number (18451382927560).

Almost surely, 2^{144240112023421} is an apocalyptic number.

It is an amenable number.

144240112023421 is a deficient number, since it is larger than the sum of its proper divisors (3370951397059).

144240112023421 is an equidigital number, since it uses as much as digits as its factorization.

144240112023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375686115.

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

Adding to 144240112023421 its reverse (124320211042441), we get a palindrome (268560323065862).

The spelling of 144240112023421 in words is "one hundred forty-four trillion, two hundred forty billion, one hundred twelve million, twenty-three thousand, four hundred twenty-one".