144216027005865 has 64 divisors (see below), whose sum is σ = 252038017843200. Its totient is φ = 70147298246400.

The previous prime is 144216027005819. The next prime is 144216027005881. The reversal of 144216027005865 is 568500720612441.

It is not a de Polignac number, because 144216027005865 - 2¹² = 144216027001769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41043570 + ... + 44418539.

It is an arithmetic number, because the mean of its divisors is an integer number (3938094028800).

Almost surely, 2^{144216027005865} is an apocalyptic number.

144216027005865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144216027005865 is a deficient number, since it is larger than the sum of its proper divisors (107821990837335).

144216027005865 is a wasteful number, since it uses less digits than its factorization.

144216027005865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85462358.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 144216027005865 in words is "one hundred forty-four trillion, two hundred sixteen billion, twenty-seven million, five thousand, eight hundred sixty-five".