42875143 has 4 divisors (see below), whose sum is σ = 43097488. Its totient is φ = 42652800.

The previous prime is 42875141. The next prime is 42875149. The reversal of 42875143 is 34157824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42875143 - 2¹ = 42875141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42875099 and 42875108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42875141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110883 + ... + 111268.

It is an arithmetic number, because the mean of its divisors is an integer number (10774372).

Almost surely, 2^42875143 is an apocalyptic number.

42875143 is a deficient number, since it is larger than the sum of its proper divisors (222345).

42875143 is a wasteful number, since it uses less digits than its factorization.

42875143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222344.

The product of its digits is 26880, while the sum is 34.

The square root of 42875143 is about 6547.9113463760. The cubic root of 42875143 is about 350.0003891152. Note that the first 3 decimals are identical.

The spelling of 42875143 in words is "forty-two million, eight hundred seventy-five thousand, one hundred forty-three".