142323434 has 8 divisors (see below), whose sum is σ = 232892928. Its totient is φ = 64692460.

The previous prime is 142323403. The next prime is 142323451. The reversal of 142323434 is 434323241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3234602 + ... + 3234645.

It is an arithmetic number, because the mean of its divisors is an integer number (29111616).

Almost surely, 2^142323434 is an apocalyptic number.

142323434 is a deficient number, since it is larger than the sum of its proper divisors (90569494).

142323434 is a wasteful number, since it uses less digits than its factorization.

142323434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469260.

The product of its digits is 6912, while the sum is 26.

The square root of 142323434 is about 11929.9385580983. The cubic root of 142323434 is about 522.1061448930.

Adding to 142323434 its reverse (434323241), we get a palindrome (576646675).

The spelling of 142323434 in words is "one hundred forty-two million, three hundred twenty-three thousand, four hundred thirty-four".