1085804545 has 8 divisors (see below), whose sum is σ = 1489103424. Its totient is φ = 744551664.

The previous prime is 1085804537. The next prime is 1085804579. The reversal of 1085804545 is 5454085801.

It is a happy number.

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 1085804545 - 2³ = 1085804537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1085804498 and 1085804507.

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, 15511459 + ... + 15511528.

It is an arithmetic number, because the mean of its divisors is an integer number (186137928).

Almost surely, 2^1085804545 is an apocalyptic number.

It is an amenable number.

1085804545 is a deficient number, since it is larger than the sum of its proper divisors (403298879).

1085804545 is an equidigital number, since it uses as much as digits as its factorization.

1085804545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31022999.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 1085804545 is about 32951.5484461656. The cubic root of 1085804545 is about 1027.8203648960.

The spelling of 1085804545 in words is "one billion, eighty-five million, eight hundred four thousand, five hundred forty-five".