42845803 has 32 divisors (see below), whose sum is σ = 60060672. Its totient is φ = 29462400.

The previous prime is 42845767. The next prime is 42845839. The reversal of 42845803 is 30854824.

It is an interprime number because it is at equal distance from previous prime (42845767) and next prime (42845839).

It is not a de Polignac number, because 42845803 - 2¹⁷ = 42714731 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42845203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22093 + ... + 23953.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 2^42845803 is an apocalyptic number.

42845803 is a deficient number, since it is larger than the sum of its proper divisors (17214869).

42845803 is a wasteful number, since it uses less digits than its factorization.

42845803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 42845803 is about 6545.6705538852. The cubic root of 42845803 is about 349.9205343401.

The spelling of 42845803 in words is "forty-two million, eight hundred forty-five thousand, eight hundred three".