42343142 has 4 divisors (see below), whose sum is σ = 63514716. Its totient is φ = 21171570.

The previous prime is 42343111. The next prime is 42343157. The reversal of 42343142 is 24134324.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10585784 + ... + 10585787.

It is an arithmetic number, because the mean of its divisors is an integer number (15878679).

Almost surely, 2^42343142 is an apocalyptic number.

42343142 is a deficient number, since it is larger than the sum of its proper divisors (21171574).

42343142 is a wasteful number, since it uses less digits than its factorization.

42343142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21171573.

The product of its digits is 2304, while the sum is 23.

The square root of 42343142 is about 6507.1608248145. The cubic root of 42343142 is about 348.5467415266.

Adding to 42343142 its reverse (24134324), we get a palindrome (66477466).

The spelling of 42343142 in words is "forty-two million, three hundred forty-three thousand, one hundred forty-two".