142434346 has 8 divisors (see below), whose sum is σ = 218197440. Its totient is φ = 69701868.

The previous prime is 142434323. The next prime is 142434389. The reversal of 142434346 is 643434241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757536 + ... + 757723.

It is an arithmetic number, because the mean of its divisors is an integer number (27274680).

Almost surely, 2^142434346 is an apocalyptic number.

142434346 is a deficient number, since it is larger than the sum of its proper divisors (75763094).

142434346 is a wasteful number, since it uses less digits than its factorization.

142434346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515308.

The product of its digits is 27648, while the sum is 31.

The square root of 142434346 is about 11934.5861260456. The cubic root of 142434346 is about 522.2417346531.

Adding to 142434346 its reverse (643434241), we get a palindrome (785868587).

The spelling of 142434346 in words is "one hundred forty-two million, four hundred thirty-four thousand, three hundred forty-six".