144115536636172 has 6 divisors (see below), whose sum is σ = 252202189113308. Its totient is φ = 72057768318084.

The previous prime is 144115536636163. The next prime is 144115536636173. The reversal of 144115536636172 is 271636635511441.

It is not an unprimeable number, because it can be changed into a prime (144115536636173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18014442079518 + ... + 18014442079525.

Almost surely, 2^{144115536636172} is an apocalyptic number.

It is an amenable number.

144115536636172 is a deficient number, since it is larger than the sum of its proper divisors (108086652477136).

144115536636172 is a wasteful number, since it uses less digits than its factorization.

144115536636172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36028884159047 (or 36028884159045 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 144115536636172 in words is "one hundred forty-four trillion, one hundred fifteen billion, five hundred thirty-six million, six hundred thirty-six thousand, one hundred seventy-two".