142042343 has 4 divisors (see below), whose sum is σ = 144370968. Its totient is φ = 139713720.

The previous prime is 142042339. The next prime is 142042357. The reversal of 142042343 is 343240241.

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 142042343 - 2² = 142042339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142042333) 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, 1164221 + ... + 1164342.

It is an arithmetic number, because the mean of its divisors is an integer number (36092742).

Almost surely, 2^142042343 is an apocalyptic number.

142042343 is a deficient number, since it is larger than the sum of its proper divisors (2328625).

142042343 is an equidigital number, since it uses as much as digits as its factorization.

142042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328624.

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

The square root of 142042343 is about 11918.1518281989. The cubic root of 142042343 is about 521.7621957678.

Adding to 142042343 its reverse (343240241), we get a palindrome (485282584).

The spelling of 142042343 in words is "one hundred forty-two million, forty-two thousand, three hundred forty-three".