945072165 has 16 divisors (see below), whose sum is σ = 1519286976. Its totient is φ = 501648000.

The previous prime is 945072157. The next prime is 945072187. The reversal of 945072165 is 561270549.

It is not a de Polignac number, because 945072165 - 2³ = 945072157 is a prime.

It is a super-2 number, since 2×945072165² = 1786322794115574450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146136 + ... + 152465.

It is an arithmetic number, because the mean of its divisors is an integer number (94955436).

Almost surely, 2^945072165 is an apocalyptic number.

It is an amenable number.

945072165 is a deficient number, since it is larger than the sum of its proper divisors (574214811).

945072165 is a wasteful number, since it uses less digits than its factorization.

945072165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298820.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 945072165 is about 30742.0260392837. The cubic root of 945072165 is about 981.3448719446.

The spelling of 945072165 in words is "nine hundred forty-five million, seventy-two thousand, one hundred sixty-five".