8242045 has 12 divisors (see below), whose sum is σ = 11505564. Its totient is φ = 5651520.

The previous prime is 8242043. The next prime is 8242049. The reversal of 8242045 is 5402428.

It is a happy number.

8242045 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 3286969 = 2226^2 + 1813^2 .

It is not a de Polignac number, because 8242045 - 2¹ = 8242043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16576 + ... + 17065.

It is an arithmetic number, because the mean of its divisors is an integer number (958797).

Almost surely, 2^8242045 is an apocalyptic number.

It is an amenable number.

8242045 is a deficient number, since it is larger than the sum of its proper divisors (3263519).

8242045 is a wasteful number, since it uses less digits than its factorization.

8242045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660 (or 33653 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 8242045 is about 2870.8962015371. The cubic root of 8242045 is about 201.9970345609.

The spelling of 8242045 in words is "eight million, two hundred forty-two thousand, forty-five".