144242112121015 has 8 divisors (see below), whose sum is σ = 173090939240448. Its totient is φ = 115393419900000.

The previous prime is 144242112120881. The next prime is 144242112121087. The reversal of 144242112121015 is 510121211242441.

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

It is not a de Polignac number, because 144242112121015 - 2²⁵ = 144242078566583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31357111 + ... + 35661640.

It is an arithmetic number, because the mean of its divisors is an integer number (21636367405056).

Almost surely, 2^{144242112121015} is an apocalyptic number.

144242112121015 is a deficient number, since it is larger than the sum of its proper divisors (28848827119433).

144242112121015 is an equidigital number, since it uses as much as digits as its factorization.

144242112121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67449209.

The product of its (nonzero) digits is 5120, while the sum is 31.

Adding to 144242112121015 its reverse (510121211242441), we get a palindrome (654363323363456).

The spelling of 144242112121015 in words is "one hundred forty-four trillion, two hundred forty-two billion, one hundred twelve million, one hundred twenty-one thousand, fifteen".