144171111986 has 16 divisors (see below), whose sum is σ = 236367466848. Its totient is φ = 65407017600.

The previous prime is 144171111871. The next prime is 144171111989. The reversal of 144171111986 is 689111171441.

It is not an unprimeable number, because it can be changed into a prime (144171111989) 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, 6253535 + ... + 6276546.

It is an arithmetic number, because the mean of its divisors is an integer number (14772966678).

Almost surely, 2^144171111986 is an apocalyptic number.

144171111986 is a deficient number, since it is larger than the sum of its proper divisors (92196354862).

144171111986 is a wasteful number, since it uses less digits than its factorization.

144171111986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12530617.

The product of its digits is 48384, while the sum is 44.

The spelling of 144171111986 in words is "one hundred forty-four billion, one hundred seventy-one million, one hundred eleven thousand, nine hundred eighty-six".