2182945 has 8 divisors (see below), whose sum is σ = 2629440. Its totient is φ = 1739760.

The previous prime is 2182937. The next prime is 2182949. The reversal of 2182945 is 5492812.

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

It is not a de Polignac number, because 2182945 - 2³ = 2182937 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 8³ + 2¹⁹ + 9⁶ + 4¹⁰ + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (328680).

2^2182945 is an apocalyptic number.

It is an amenable number.

2182945 is a deficient number, since it is larger than the sum of its proper divisors (446495).

2182945 is a wasteful number, since it uses less digits than its factorization.

2182945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its digits is 5760, while the sum is 31.

The square root of 2182945 is about 1477.4792722742. The cubic root of 2182945 is about 129.7221877986.

The spelling of 2182945 in words is "two million, one hundred eighty-two thousand, nine hundred forty-five".