42656142 has 16 divisors (see below), whose sum is σ = 85825152. Its totient is φ = 14133240.

The previous prime is 42656123. The next prime is 42656147. The reversal of 42656142 is 24165624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656147) 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, 20284 + ... + 22287.

It is an arithmetic number, because the mean of its divisors is an integer number (5364072).

Almost surely, 2^42656142 is an apocalyptic number.

42656142 is an abundant number, since it is smaller than the sum of its proper divisors (43169010).

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

42656142 is a wasteful number, since it uses less digits than its factorization.

42656142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42743.

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

The square root of 42656142 is about 6531.1669707641. The cubic root of 42656142 is about 349.4034518343.

The spelling of 42656142 in words is "forty-two million, six hundred fifty-six thousand, one hundred forty-two".