144985667318 has 16 divisors (see below), whose sum is σ = 226944495360. Its totient is φ = 69337791336.

The previous prime is 144985667273. The next prime is 144985667329. The reversal of 144985667318 is 813766589441.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172021 + ... + 1289807.

It is an arithmetic number, because the mean of its divisors is an integer number (14184030960).

Almost surely, 2^144985667318 is an apocalyptic number.

144985667318 is a deficient number, since it is larger than the sum of its proper divisors (81958828042).

144985667318 is a wasteful number, since it uses less digits than its factorization.

144985667318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144571.

The product of its digits is 34836480, while the sum is 62.

The spelling of 144985667318 in words is "one hundred forty-four billion, nine hundred eighty-five million, six hundred sixty-seven thousand, three hundred eighteen".