855694545 has 32 divisors (see below), whose sum is σ = 1445335680. Its totient is φ = 432298944.

The previous prime is 855694537. The next prime is 855694547. The reversal of 855694545 is 545496558.

It is a happy number.

It is not a de Polignac number, because 855694545 - 2³ = 855694537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855694547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98727 + ... + 107043.

It is an arithmetic number, because the mean of its divisors is an integer number (45166740).

Almost surely, 2^855694545 is an apocalyptic number.

It is an amenable number.

855694545 is a deficient number, since it is larger than the sum of its proper divisors (589641135).

855694545 is an equidigital number, since it uses as much as digits as its factorization.

855694545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382 (or 8344 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 51.

The square root of 855694545 is about 29252.2570924023. The cubic root of 855694545 is about 949.3789273890.

The spelling of 855694545 in words is "eight hundred fifty-five million, six hundred ninety-four thousand, five hundred forty-five".