1845242 has 24 divisors (see below), whose sum is σ = 3392640. Its totient is φ = 748440.

The previous prime is 1845229. The next prime is 1845271. The reversal of 1845242 is 2425481.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 1367 + ... + 2357.

It is an arithmetic number, because the mean of its divisors is an integer number (141360).

2^1845242 is an apocalyptic number.

1845242 is a deficient number, since it is larger than the sum of its proper divisors (1547398).

1845242 is a wasteful number, since it uses less digits than its factorization.

1845242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1019 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1845242 is about 1358.3968492307. The cubic root of 1845242 is about 122.6547703623.

The spelling of 1845242 in words is "one million, eight hundred forty-five thousand, two hundred forty-two".