144391261116018 has 16 divisors (see below), whose sum is σ = 330037168265280. Its totient is φ = 41254646033136.

The previous prime is 144391261115957. The next prime is 144391261116049. The reversal of 144391261116018 is 810611162193441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718943584673 + ... + 1718943584756.

It is an arithmetic number, because the mean of its divisors is an integer number (20627323016580).

Almost surely, 2^{144391261116018} is an apocalyptic number.

144391261116018 is an abundant number, since it is smaller than the sum of its proper divisors (185645907149262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144391261116018 is a wasteful number, since it uses less digits than its factorization.

144391261116018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437887169441.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 144391261116018 in words is "one hundred forty-four trillion, three hundred ninety-one billion, two hundred sixty-one million, one hundred sixteen thousand, eighteen".