802445 has 16 divisors (see below), whose sum is σ = 1116288. Its totient is φ = 542400.

The previous prime is 802441. The next prime is 802453. The reversal of 802445 is 544208.

It is not a de Polignac number, because 802445 - 2² = 802441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 802445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802441) 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 15 ways as a sum of consecutive naturals, for example, 3422 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (69768).

2⁸⁰²⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

802445 is a deficient number, since it is larger than the sum of its proper divisors (313843).

802445 is a wasteful number, since it uses less digits than its factorization.

802445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 802445 is about 895.7929448260. The cubic root of 802445 is about 92.9262528624.

The spelling of 802445 in words is "eight hundred two thousand, four hundred forty-five".