802545 has 8 divisors (see below), whose sum is σ = 1284096. Its totient is φ = 428016.

The previous prime is 802531. The next prime is 802573. The reversal of 802545 is 545208.

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

It is not a de Polignac number, because 802545 - 2¹¹ = 800497 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam 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, 26737 + ... + 26766.

It is an arithmetic number, because the mean of its divisors is an integer number (160512).

2⁸⁰²⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

802545 is a deficient number, since it is larger than the sum of its proper divisors (481551).

802545 is a wasteful number, since it uses less digits than its factorization.

802545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53511.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 802545 is about 895.8487595571. The cubic root of 802545 is about 92.9301128317.

The spelling of 802545 in words is "eight hundred two thousand, five hundred forty-five".