2453845 has 4 divisors (see below), whose sum is σ = 2944620. Its totient is φ = 1963072.

The previous prime is 2453837. The next prime is 2453861. The reversal of 2453845 is 5483542.

2453845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 758641 = 1302^2 + 871^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453845 - 2³ = 2453837 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 4⁷ + 5 + 3³ + 8 + 4⁹ + 5⁷ .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 245380 + ... + 245389.

It is an arithmetic number, because the mean of its divisors is an integer number (736155).

2^2453845 is an apocalyptic number.

It is an amenable number.

2453845 is a deficient number, since it is larger than the sum of its proper divisors (490775).

2453845 is an equidigital number, since it uses as much as digits as its factorization.

2453845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490774.

The product of its digits is 19200, while the sum is 31.

The square root of 2453845 is about 1566.4753429276. The cubic root of 2453845 is about 134.8804611696.

The spelling of 2453845 in words is "two million, four hundred fifty-three thousand, eight hundred forty-five".