854045 has 4 divisors (see below), whose sum is σ = 1024860. Its totient is φ = 683232.

The previous prime is 854041. The next prime is 854047. The reversal of 854045 is 540458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540458 = 2 ⋅270229.

It can be written as a sum of positive squares in 2 ways, for example, as 267289 + 586756 = 517^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 854045 - 2² = 854041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854041) 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, 85400 + ... + 85409.

It is an arithmetic number, because the mean of its divisors is an integer number (256215).

2⁸⁵⁴⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

854045 is a deficient number, since it is larger than the sum of its proper divisors (170815).

854045 is a wasteful number, since it uses less digits than its factorization.

854045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170814.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 854045 is about 924.1455513067. The cubic root of 854045 is about 94.8768487347.

The spelling of 854045 in words is "eight hundred fifty-four thousand, forty-five".