42843135 has 16 divisors (see below), whose sum is σ = 71529984. Its totient is φ = 21856032.

The previous prime is 42843109. The next prime is 42843139. The reversal of 42843135 is 53134824.

42843135 = 348² + 349² + ... + 554².

It is not a de Polignac number, because 42843135 - 2⁵ = 42843103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42843139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61747 + ... + 62436.

It is an arithmetic number, because the mean of its divisors is an integer number (4470624).

Almost surely, 2^42843135 is an apocalyptic number.

42843135 is a deficient number, since it is larger than the sum of its proper divisors (28686849).

42843135 is a wasteful number, since it uses less digits than its factorization.

42843135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124214.

The product of its digits is 11520, while the sum is 30.

The square root of 42843135 is about 6545.4667518826. The cubic root of 42843135 is about 349.9132710276.

Adding to 42843135 its reverse (53134824), we get a palindrome (95977959).

The spelling of 42843135 in words is "forty-two million, eight hundred forty-three thousand, one hundred thirty-five".