8445542 has 12 divisors (see below), whose sum is σ = 14736780. Its totient is φ = 3619476.

The previous prime is 8445529. The next prime is 8445599. The reversal of 8445542 is 2455448.

It is a junction number, because it is equal to n+sod(n) for n = 8445499 and 8445508.

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 5 ways as a sum of consecutive naturals, for example, 42992 + ... + 43187.

It is an arithmetic number, because the mean of its divisors is an integer number (1228065).

Almost surely, 2^8445542 is an apocalyptic number.

8445542 is a deficient number, since it is larger than the sum of its proper divisors (6291238).

8445542 is a wasteful number, since it uses less digits than its factorization.

8445542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86195 (or 86188 counting only the distinct ones).

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

The square root of 8445542 is about 2906.1214702761. The cubic root of 8445542 is about 203.6459802513.

The spelling of 8445542 in words is "eight million, four hundred forty-five thousand, five hundred forty-two".