162445 has 8 divisors (see below), whose sum is σ = 198936. Its totient is φ = 127296.

The previous prime is 162439. The next prime is 162451. The reversal of 162445 is 544261.

It is an interprime number because it is at equal distance from previous prime (162439) and next prime (162451).

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 161604 = 29^2 + 402^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162445 - 2⁵ = 162413 is a prime.

It is a Duffinian number.

162445 is a lucky 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, 42 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (24867).

2¹⁶²⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

162445 is a deficient number, since it is larger than the sum of its proper divisors (36491).

162445 is an equidigital number, since it uses as much as digits as its factorization.

162445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its digits is 960, while the sum is 22.

The square root of 162445 is about 403.0446625375. The cubic root of 162445 is about 54.5634868831.

The spelling of 162445 in words is "one hundred sixty-two thousand, four hundred forty-five".