42826143 has 8 divisors (see below), whose sum is σ = 57138048. Its totient is φ = 28532504.

The previous prime is 42826141. The next prime is 42826163. The reversal of 42826143 is 34162824.

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 42826143 - 2¹ = 42826141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42826143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42826141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (7142256).

Almost surely, 2^42826143 is an apocalyptic number.

42826143 is a deficient number, since it is larger than the sum of its proper divisors (14311905).

42826143 is a wasteful number, since it uses less digits than its factorization.

42826143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133.

The product of its digits is 9216, while the sum is 30.

The square root of 42826143 is about 6544.1686255780. The cubic root of 42826143 is about 349.8670052527.

Adding to 42826143 its reverse (34162824), we get a palindrome (76988967).

The spelling of 42826143 in words is "forty-two million, eight hundred twenty-six thousand, one hundred forty-three".