8445242 has 16 divisors (see below), whose sum is σ = 13934592. Its totient is φ = 3814320.

The previous prime is 8445161. The next prime is 8445251. The reversal of 8445242 is 2425448.

It is a super-2 number, since 2×8445242² = 142644224877128, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2234 + ... + 4677.

It is an arithmetic number, because the mean of its divisors is an integer number (870912).

Almost surely, 2^8445242 is an apocalyptic number.

8445242 is a deficient number, since it is larger than the sum of its proper divisors (5489350).

8445242 is a wasteful number, since it uses less digits than its factorization.

8445242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973.

The product of its digits is 10240, while the sum is 29.

The square root of 8445242 is about 2906.0698546319. The cubic root of 8445242 is about 203.6435689391.

The spelling of 8445242 in words is "eight million, four hundred forty-five thousand, two hundred forty-two".