142235342 has 4 divisors (see below), whose sum is σ = 213353016. Its totient is φ = 71117670.

The previous prime is 142235333. The next prime is 142235377. The reversal of 142235342 is 243532241.

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, 35558834 + ... + 35558837.

It is an arithmetic number, because the mean of its divisors is an integer number (53338254).

Almost surely, 2^142235342 is an apocalyptic number.

142235342 is a deficient number, since it is larger than the sum of its proper divisors (71117674).

142235342 is an equidigital number, since it uses as much as digits as its factorization.

142235342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71117673.

The product of its digits is 5760, while the sum is 26.

The square root of 142235342 is about 11926.2459307194. The cubic root of 142235342 is about 521.9984023478.

Adding to 142235342 its reverse (243532241), we get a palindrome (385767583).

The spelling of 142235342 in words is "one hundred forty-two million, two hundred thirty-five thousand, three hundred forty-two".