144215144155 has 32 divisors (see below), whose sum is σ = 183077913600. Its totient is φ = 108753829632.

The previous prime is 144215144149. The next prime is 144215144173. The reversal of 144215144155 is 551441512441.

It is a cyclic number.

It is not a de Polignac number, because 144215144155 - 2⁹ = 144215143643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45249472 + ... + 45252658.

It is an arithmetic number, because the mean of its divisors is an integer number (5721184800).

Almost surely, 2^144215144155 is an apocalyptic number.

144215144155 is a deficient number, since it is larger than the sum of its proper divisors (38862769445).

144215144155 is a wasteful number, since it uses less digits than its factorization.

144215144155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443.

The product of its digits is 64000, while the sum is 37.

Adding to 144215144155 its reverse (551441512441), we get a palindrome (695656656596).

The spelling of 144215144155 in words is "one hundred forty-four billion, two hundred fifteen million, one hundred forty-four thousand, one hundred fifty-five".