8442245 has 8 divisors (see below), whose sum is σ = 11577984. Its totient is φ = 5788944.

The previous prime is 8442229. The next prime is 8442263. The reversal of 8442245 is 5422448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8442245 - 2⁴ = 8442229 is a prime.

It is a d-powerful number, because it can be written as 8 + 4⁴ + 4⁶ + 2¹⁵ + 2²³ + 4⁷ + 5³ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120569 + ... + 120638.

It is an arithmetic number, because the mean of its divisors is an integer number (1447248).

Almost surely, 2^8442245 is an apocalyptic number.

It is an amenable number.

8442245 is a deficient number, since it is larger than the sum of its proper divisors (3135739).

8442245 is a wasteful number, since it uses less digits than its factorization.

8442245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241219.

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

The square root of 8442245 is about 2905.5541640107. The cubic root of 8442245 is about 203.6194767940.

The spelling of 8442245 in words is "eight million, four hundred forty-two thousand, two hundred forty-five".