2945465 has 12 divisors (see below), whose sum is σ = 3658212. Its totient is φ = 2276640.

The previous prime is 2945461. The next prime is 2945473. The reversal of 2945465 is 5645492.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 2598544 = 589^2 + 1612^2 .

It is not a de Polignac number, because 2945465 - 2² = 2945461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4499 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (304851).

2^2945465 is an apocalyptic number.

It is an amenable number.

2945465 is a deficient number, since it is larger than the sum of its proper divisors (712747).

2945465 is an equidigital number, since it uses as much as digits as its factorization.

2945465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 649 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 2945465 is about 1716.2357064226. The cubic root of 2945465 is about 143.3456842911.

The spelling of 2945465 in words is "two million, nine hundred forty-five thousand, four hundred sixty-five".