165485144 has 16 divisors (see below), whose sum is σ = 338492520. Its totient is φ = 75220480.

The previous prime is 165485141. The next prime is 165485179. The reversal of 165485144 is 441584561.

165485144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165485098 and 165485107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165485141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940169 + ... + 940344.

Almost surely, 2^165485144 is an apocalyptic number.

It is an amenable number.

165485144 is an abundant number, since it is smaller than the sum of its proper divisors (173007376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165485144 is a wasteful number, since it uses less digits than its factorization.

165485144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880530 (or 1880526 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 165485144 is about 12864.1029224738. The cubic root of 165485144 is about 549.0176890418.

The spelling of 165485144 in words is "one hundred sixty-five million, four hundred eighty-five thousand, one hundred forty-four".