144240324323421 has 8 divisors (see below), whose sum is σ = 195580100777760. Its totient is φ = 94530382042352.

The previous prime is 144240324323401. The next prime is 144240324323533. The reversal of 144240324323421 is 124323423042441.

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 144240324323421 - 2⁶ = 144240324323357 is a prime.

It is a super-2 number, since 2×144240324323421² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144240324323421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240324323401) 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, 407458543110 + ... + 407458543463.

It is an arithmetic number, because the mean of its divisors is an integer number (24447512597220).

Almost surely, 2^{144240324323421} is an apocalyptic number.

It is an amenable number.

144240324323421 is a deficient number, since it is larger than the sum of its proper divisors (51339776454339).

144240324323421 is an equidigital number, since it uses as much as digits as its factorization.

144240324323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814917086635.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 144240324323421 its reverse (124323423042441), we get a palindrome (268563747365862).

The spelling of 144240324323421 in words is "one hundred forty-four trillion, two hundred forty billion, three hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-one".