144215816256218 has 16 divisors (see below), whose sum is σ = 247575811925760. Its totient is φ = 61719603809616.

The previous prime is 144215816256217. The next prime is 144215816256241. The reversal of 144215816256218 is 812652618512441.

It is not an unprimeable number, because it can be changed into a prime (144215816256217) 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, 7264538546 + ... + 7264558397.

It is an arithmetic number, because the mean of its divisors is an integer number (15473488245360).

Almost surely, 2^{144215816256218} is an apocalyptic number.

144215816256218 is a deficient number, since it is larger than the sum of its proper divisors (103359995669542).

144215816256218 is a wasteful number, since it uses less digits than its factorization.

144215816256218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14529097661.

The product of its digits is 7372800, while the sum is 56.

The spelling of 144215816256218 in words is "one hundred forty-four trillion, two hundred fifteen billion, eight hundred sixteen million, two hundred fifty-six thousand, two hundred eighteen".