5642845 has 8 divisors (see below), whose sum is σ = 7292376. Its totient is φ = 4166976.

The previous prime is 5642839. The next prime is 5642851. The reversal of 5642845 is 5482465.

It is an interprime number because it is at equal distance from previous prime (5642839) and next prime (5642851).

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 5331481 = 558^2 + 2309^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5642845 - 2⁷ = 5642717 is a prime.

It is a super-3 number, since 3×5642845³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5642845.

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, 43342 + ... + 43471.

It is an arithmetic number, because the mean of its divisors is an integer number (911547).

Almost surely, 2^5642845 is an apocalyptic number.

It is an amenable number.

5642845 is a deficient number, since it is larger than the sum of its proper divisors (1649531).

5642845 is a wasteful number, since it uses less digits than its factorization.

5642845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86831.

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

The square root of 5642845 is about 2375.4673224442. The cubic root of 5642845 is about 178.0325341365.

The spelling of 5642845 in words is "five million, six hundred forty-two thousand, eight hundred forty-five".