2945165 has 8 divisors (see below), whose sum is σ = 3742200. Its totient is φ = 2217472.

The previous prime is 2945149. The next prime is 2945167. The reversal of 2945165 is 5615492.

2945165 = 1213² + 1214².

It is a happy number.

2945165 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 249001 + 2696164 = 499^2 + 1642^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2945165 - 2⁴ = 2945149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17240 + ... + 17409.

It is an arithmetic number, because the mean of its divisors is an integer number (467775).

2^2945165 is an apocalyptic number.

2945165 is the 1214-th centered square number.

It is an amenable number.

2945165 is a deficient number, since it is larger than the sum of its proper divisors (797035).

2945165 is a wasteful number, since it uses less digits than its factorization.

2945165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34671.

The product of its digits is 10800, while the sum is 32.

The square root of 2945165 is about 1716.1483036148. The cubic root of 2945165 is about 143.3408174687.

The spelling of 2945165 in words is "two million, nine hundred forty-five thousand, one hundred sixty-five".