2445845 has 8 divisors (see below), whose sum is σ = 2985120. Its totient is φ = 1923280.

The previous prime is 2445829. The next prime is 2445847. The reversal of 2445845 is 5485442.

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

It is not a de Polignac number, because 2445845 - 2⁴ = 2445829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445847) 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, 3851 + ... + 4440.

It is an arithmetic number, because the mean of its divisors is an integer number (373140).

2^2445845 is an apocalyptic number.

It is an amenable number.

2445845 is a deficient number, since it is larger than the sum of its proper divisors (539275).

2445845 is an equidigital number, since it uses as much as digits as its factorization.

2445845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355.

The product of its digits is 25600, while the sum is 32.

The square root of 2445845 is about 1563.9197549747. The cubic root of 2445845 is about 134.7337229626.

The spelling of 2445845 in words is "two million, four hundred forty-five thousand, eight hundred forty-five".