142307834 has 8 divisors (see below), whose sum is σ = 224696640. Its totient is φ = 67408956.

The previous prime is 142307807. The next prime is 142307873. The reversal of 142307834 is 438703241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142307834.

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, 1872434 + ... + 1872509.

It is an arithmetic number, because the mean of its divisors is an integer number (28087080).

Almost surely, 2^142307834 is an apocalyptic number.

142307834 is a deficient number, since it is larger than the sum of its proper divisors (82388806).

142307834 is a wasteful number, since it uses less digits than its factorization.

142307834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744964.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 142307834 is about 11929.2847228994. The cubic root of 142307834 is about 522.0870682654.

The spelling of 142307834 in words is "one hundred forty-two million, three hundred seven thousand, eight hundred thirty-four".