162845 has 4 divisors (see below), whose sum is σ = 195420. Its totient is φ = 130272.

The previous prime is 162839. The next prime is 162847. The reversal of 162845 is 548261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 42436 = 347^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 162845 - 2⁴ = 162829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162847) 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, 16280 + ... + 16289.

It is an arithmetic number, because the mean of its divisors is an integer number (48855).

2¹⁶²⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

162845 is a deficient number, since it is larger than the sum of its proper divisors (32575).

162845 is an equidigital number, since it uses as much as digits as its factorization.

162845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32574.

The product of its digits is 1920, while the sum is 26.

The square root of 162845 is about 403.5405803634. The cubic root of 162845 is about 54.6082353726.

The spelling of 162845 in words is "one hundred sixty-two thousand, eight hundred forty-five".