42288543 has 24 divisors (see below), whose sum is σ = 66882816. Its totient is φ = 25534800.

The previous prime is 42288539. The next prime is 42288577. The reversal of 42288543 is 34588224.

42288543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42288543 - 2² = 42288539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42288498 and 42288507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42288593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33738 + ... + 34968.

It is an arithmetic number, because the mean of its divisors is an integer number (2786784).

Almost surely, 2^42288543 is an apocalyptic number.

42288543 is a deficient number, since it is larger than the sum of its proper divisors (24594273).

42288543 is a wasteful number, since it uses less digits than its factorization.

42288543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1592 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 42288543 is about 6502.9641702842. The cubic root of 42288543 is about 348.3968668913.

The spelling of 42288543 in words is "forty-two million, two hundred eighty-eight thousand, five hundred forty-three".