42516142 has 8 divisors (see below), whose sum is σ = 63805896. Its totient is φ = 21247512.

The previous prime is 42516119. The next prime is 42516157. The reversal of 42516142 is 24161524.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488 + ... + 9340.

It is an arithmetic number, because the mean of its divisors is an integer number (7975737).

Almost surely, 2^42516142 is an apocalyptic number.

42516142 is a deficient number, since it is larger than the sum of its proper divisors (21289754).

42516142 is a wasteful number, since it uses less digits than its factorization.

42516142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562.

The product of its digits is 1920, while the sum is 25.

The square root of 42516142 is about 6520.4403225549. The cubic root of 42516142 is about 349.0207785594.

Adding to 42516142 its reverse (24161524), we get a palindrome (66677666).

The spelling of 42516142 in words is "forty-two million, five hundred sixteen thousand, one hundred forty-two".