144242124212391 has 16 divisors (see below), whose sum is σ = 204392951013600. Its totient is φ = 90168412940288.

The previous prime is 144242124212371. The next prime is 144242124212393. The reversal of 144242124212391 is 193212421242441.

It is a cyclic number.

It is not a de Polignac number, because 144242124212391 - 2⁶ = 144242124212327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242124212393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5257006626 + ... + 5257034063.

It is an arithmetic number, because the mean of its divisors is an integer number (12774559438350).

Almost surely, 2^{144242124212391} is an apocalyptic number.

144242124212391 is a deficient number, since it is larger than the sum of its proper divisors (60150826801209).

144242124212391 is a wasteful number, since it uses less digits than its factorization.

144242124212391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514040978.

The product of its digits is 221184, while the sum is 42.

The spelling of 144242124212391 in words is "one hundred forty-four trillion, two hundred forty-two billion, one hundred twenty-four million, two hundred twelve thousand, three hundred ninety-one".