42142435 has 4 divisors (see below), whose sum is σ = 50570928. Its totient is φ = 33713944.

The previous prime is 42142427. The next prime is 42142453. The reversal of 42142435 is 53424124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42142435 - 2³ = 42142427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4214239 + ... + 4214248.

It is an arithmetic number, because the mean of its divisors is an integer number (12642732).

Almost surely, 2^42142435 is an apocalyptic number.

42142435 is a deficient number, since it is larger than the sum of its proper divisors (8428493).

42142435 is an equidigital number, since it uses as much as digits as its factorization.

42142435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428492.

The product of its digits is 3840, while the sum is 25.

The square root of 42142435 is about 6491.7204961397. The cubic root of 42142435 is about 347.9951638690.

Adding to 42142435 its reverse (53424124), we get a palindrome (95566559).

The spelling of 42142435 in words is "forty-two million, one hundred forty-two thousand, four hundred thirty-five".