42641142 has 8 divisors (see below), whose sum is σ = 85282296. Its totient is φ = 14213712.

The previous prime is 42641141. The next prime is 42641147. The reversal of 42641142 is 24114624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

42641142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42641141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553423 + ... + 3553434.

It is an arithmetic number, because the mean of its divisors is an integer number (10660287).

Almost surely, 2^42641142 is an apocalyptic number.

42641142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42641142 is a wasteful number, since it uses less digits than its factorization.

42641142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106862.

The product of its digits is 1536, while the sum is 24.

The square root of 42641142 is about 6530.0185298359. The cubic root of 42641142 is about 349.3624912130.

Adding to 42641142 its reverse (24114624), we get a palindrome (66755766).

The spelling of 42641142 in words is "forty-two million, six hundred forty-one thousand, one hundred forty-two".