2309045 has 8 divisors (see below), whose sum is σ = 2779296. Its totient is φ = 1841616.

The previous prime is 2309029. The next prime is 2309077. The reversal of 2309045 is 5409032.

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 2309045 - 2⁴ = 2309029 is a prime.

It is a super-3 number, since 3×2309045³ = 36933328178886798375, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2309045.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2174 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (347412).

2^2309045 is an apocalyptic number.

It is an amenable number.

2309045 is a deficient number, since it is larger than the sum of its proper divisors (470251).

2309045 is an equidigital number, since it uses as much as digits as its factorization.

2309045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2309045 is about 1519.5542109448. The cubic root of 2309045 is about 132.1734214319.

The spelling of 2309045 in words is "two million, three hundred nine thousand, forty-five".