144540330321 has 8 divisors (see below), whose sum is σ = 195596865184. Its totient is φ = 94922007840.

The previous prime is 144540330317. The next prime is 144540330349. The reversal of 144540330321 is 123033045441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144540330321 - 2² = 144540330317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144540330421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359552860 + ... + 359553261.

It is an arithmetic number, because the mean of its divisors is an integer number (24449608148).

Almost surely, 2^144540330321 is an apocalyptic number.

It is an amenable number.

144540330321 is a deficient number, since it is larger than the sum of its proper divisors (51056534863).

144540330321 is an equidigital number, since it uses as much as digits as its factorization.

144540330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719106191.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 144540330321 its reverse (123033045441), we get a palindrome (267573375762).

The spelling of 144540330321 in words is "one hundred forty-four billion, five hundred forty million, three hundred thirty thousand, three hundred twenty-one".