42585142 has 16 divisors (see below), whose sum is σ = 66234672. Its totient is φ = 20519680.

The previous prime is 42585139. The next prime is 42585143. The reversal of 42585142 is 24158524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42585143) 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, 3678 + ... + 9934.

It is an arithmetic number, because the mean of its divisors is an integer number (4139667).

Almost surely, 2^42585142 is an apocalyptic number.

42585142 is a deficient number, since it is larger than the sum of its proper divisors (23649530).

42585142 is a wasteful number, since it uses less digits than its factorization.

42585142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383.

The product of its digits is 12800, while the sum is 31.

The square root of 42585142 is about 6525.7292312814. The cubic root of 42585142 is about 349.2094866314.

The spelling of 42585142 in words is "forty-two million, five hundred eighty-five thousand, one hundred forty-two".