854545 has 8 divisors (see below), whose sum is σ = 1030824. Its totient is φ = 680064.

The previous prime is 854533. The next prime is 854569. The reversal of 854545 is 545458.

It can be written as a sum of positive squares in 4 ways, for example, as 22801 + 831744 = 151^2 + 912^2 .

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 854545 - 2⁷ = 854417 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

854545 is a modest number, since divided by 4545 gives 85 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (128853).

2⁸⁵⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

854545 is a deficient number, since it is larger than the sum of its proper divisors (176279).

854545 is a wasteful number, since it uses less digits than its factorization.

854545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its digits is 16000, while the sum is 31.

The square root of 854545 is about 924.4160318817. The cubic root of 854545 is about 94.8953603157.

The spelling of 854545 in words is "eight hundred fifty-four thousand, five hundred forty-five".