9855045 has 12 divisors (see below), whose sum is σ = 17082156. Its totient is φ = 5256000.

The previous prime is 9855037. The next prime is 9855049. The reversal of 9855045 is 5405589.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1595169 + 8259876 = 1263^2 + 2874^2 .

It is not a de Polignac number, because 9855045 - 2³ = 9855037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9855049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109456 + ... + 109545.

It is an arithmetic number, because the mean of its divisors is an integer number (1423513).

Almost surely, 2^9855045 is an apocalyptic number.

It is an amenable number.

9855045 is a deficient number, since it is larger than the sum of its proper divisors (7227111).

9855045 is a wasteful number, since it uses less digits than its factorization.

9855045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219012 (or 219009 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 9855045 is about 3139.2745977375. The cubic root of 9855045 is about 214.3974112913.

The spelling of 9855045 in words is "nine million, eight hundred fifty-five thousand, forty-five".