160645 has 12 divisors (see below), whose sum is σ = 205740. Its totient is φ = 120384.

The previous prime is 160639. The next prime is 160649. The reversal of 160645 is 546061.

160645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43681 + 116964 = 209^2 + 342^2 .

It is not a de Polignac number, because 160645 - 2³ = 160637 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1761 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (17145).

2¹⁶⁰⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

160645 is a deficient number, since it is larger than the sum of its proper divisors (45095).

160645 is an equidigital number, since it uses as much as digits as its factorization.

160645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 160645 is about 400.8054390849. The cubic root of 160645 is about 54.3612044978.

The spelling of 160645 in words is "one hundred sixty thousand, six hundred forty-five".