9945175 has 6 divisors (see below), whose sum is σ = 12332048. Its totient is φ = 7956120.

The previous prime is 9945161. The next prime is 9945181. The reversal of 9945175 is 5715499.

9945175 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9945175 - 2⁹ = 9944663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198879 + ... + 198928.

Almost surely, 2^9945175 is an apocalyptic number.

9945175 is a deficient number, since it is larger than the sum of its proper divisors (2386873).

9945175 is a wasteful number, since it uses less digits than its factorization.

9945175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397817 (or 397812 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 9945175 is about 3153.5971524594. The cubic root of 9945175 is about 215.0490243353.

The spelling of 9945175 in words is "nine million, nine hundred forty-five thousand, one hundred seventy-five".