42566142 has 16 divisors (see below), whose sum is σ = 88068240. Its totient is φ = 13699392.

The previous prime is 42566141. The next prime is 42566149. The reversal of 42566142 is 24166524.

42566142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42566141) 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 7 ways as a sum of consecutive naturals, for example, 122143 + ... + 122490.

It is an arithmetic number, because the mean of its divisors is an integer number (5504265).

Almost surely, 2^42566142 is an apocalyptic number.

42566142 is an abundant number, since it is smaller than the sum of its proper divisors (45502098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42566142 is a wasteful number, since it uses less digits than its factorization.

42566142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244667.

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

The square root of 42566142 is about 6524.2732928657. The cubic root of 42566142 is about 349.1575438884.

The spelling of 42566142 in words is "forty-two million, five hundred sixty-six thousand, one hundred forty-two".