1085185545 has 8 divisors (see below), whose sum is σ = 1736296896. Its totient is φ = 578765616.

The previous prime is 1085185523. The next prime is 1085185561. The reversal of 1085185545 is 5455815801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1085185545 - 2¹⁷ = 1085054473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1085185497 and 1085185506.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36172837 + ... + 36172866.

It is an arithmetic number, because the mean of its divisors is an integer number (217037112).

Almost surely, 2^1085185545 is an apocalyptic number.

1085185545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085185545 is a deficient number, since it is larger than the sum of its proper divisors (651111351).

1085185545 is an equidigital number, since it uses as much as digits as its factorization.

1085185545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72345711.

The product of its (nonzero) digits is 160000, while the sum is 42.

The square root of 1085185545 is about 32942.1545288100. The cubic root of 1085185545 is about 1027.6250130570.

The spelling of 1085185545 in words is "one billion, eighty-five million, one hundred eighty-five thousand, five hundred forty-five".