42345342 has 40 divisors (see below), whose sum is σ = 102188856. Its totient is φ = 13028688.

The previous prime is 42345341. The next prime is 42345389. The reversal of 42345342 is 24354324.

42345342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345341) 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 19 ways as a sum of consecutive naturals, for example, 7948 + ... + 12159.

Almost surely, 2^42345342 is an apocalyptic number.

42345342 is an abundant number, since it is smaller than the sum of its proper divisors (59843514).

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

42345342 is a wasteful number, since it uses less digits than its factorization.

42345342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134 (or 20125 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42345342 is about 6507.3298671575. The cubic root of 42345342 is about 348.5527778410.

Adding to 42345342 its reverse (24354324), we get a palindrome (66699666).

The spelling of 42345342 in words is "forty-two million, three hundred forty-five thousand, three hundred forty-two".