448165 has 4 divisors (see below), whose sum is σ = 537804. Its totient is φ = 358528.

The previous prime is 448159. The next prime is 448169. The reversal of 448165 is 561844.

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 77284 + 370881 = 278^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 448165 - 2³ = 448157 is a prime.

It is a Duffinian number.

448165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44812 + ... + 44821.

It is an arithmetic number, because the mean of its divisors is an integer number (134451).

2⁴⁴⁸¹⁶⁵ is an apocalyptic number.

It is an amenable number.

448165 is a deficient number, since it is larger than the sum of its proper divisors (89639).

448165 is an equidigital number, since it uses as much as digits as its factorization.

448165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89638.

The product of its digits is 3840, while the sum is 28.

The square root of 448165 is about 669.4512678306. The cubic root of 448165 is about 76.5266400164.

It can be divided in two parts, 448 and 165, that multiplied together give a triangular number (73920 = T₃₈₄).

The spelling of 448165 in words is "four hundred forty-eight thousand, one hundred sixty-five".