8545642 has 16 divisors (see below), whose sum is σ = 14719680. Its totient is φ = 3644928.

The previous prime is 8545637. The next prime is 8545643. The reversal of 8545642 is 2465458.

It is a junction number, because it is equal to n+sod(n) for n = 8545598 and 8545607.

It is not an unprimeable number, because it can be changed into a prime (8545643) 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, 1834 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (919980).

Almost surely, 2^8545642 is an apocalyptic number.

8545642 is a deficient number, since it is larger than the sum of its proper divisors (6174038).

8545642 is a wasteful number, since it uses less digits than its factorization.

8545642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925.

The product of its digits is 38400, while the sum is 34.

The square root of 8545642 is about 2923.2930061833. The cubic root of 8545642 is about 204.4473873456.

The spelling of 8545642 in words is "eight million, five hundred forty-five thousand, six hundred forty-two".