9845145 has 56 divisors (see below), whose sum is σ = 18441096. Its totient is φ = 5038848.

The previous prime is 9845141. The next prime is 9845161. The reversal of 9845145 is 5415489.

9845145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2985984 + 6859161 = 1728^2 + 2619^2 .

It is not a de Polignac number, because 9845145 - 2² = 9845141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9845141) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 134829 + ... + 134901.

Almost surely, 2^9845145 is an apocalyptic number.

It is an amenable number.

9845145 is a deficient number, since it is larger than the sum of its proper divisors (8595951).

9845145 is an equidigital number, since it uses as much as digits as its factorization.

9845145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 118 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 9845145 is about 3137.6974041485. The cubic root of 9845145 is about 214.3255954343.

The spelling of 9845145 in words is "nine million, eight hundred forty-five thousand, one hundred forty-five".