854936945 has 8 divisors (see below), whose sum is σ = 1039978536. Its totient is φ = 674580096.

The previous prime is 854936903. The next prime is 854936959. The reversal of 854936945 is 549639458.

It can be written as a sum of positive squares in 4 ways, for example, as 48888064 + 806048881 = 6992^2 + 28391^2 .

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 854936945 - 2²⁰ = 853888369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170782 + ... + 1171511.

It is an arithmetic number, because the mean of its divisors is an integer number (129997317).

Almost surely, 2^854936945 is an apocalyptic number.

It is an amenable number.

854936945 is a deficient number, since it is larger than the sum of its proper divisors (185041591).

854936945 is a wasteful number, since it uses less digits than its factorization.

854936945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342371.

The product of its digits is 4665600, while the sum is 53.

The square root of 854936945 is about 29239.3047967971. The cubic root of 854936945 is about 949.0986631095.

The spelling of 854936945 in words is "eight hundred fifty-four million, nine hundred thirty-six thousand, nine hundred forty-five".