142892786 has 8 divisors (see below), whose sum is σ = 226947420. Its totient is φ = 67243648.

The previous prime is 142892777. The next prime is 142892791. The reversal of 142892786 is 687298241.

It is a happy number.

142892786 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119224561 + 23668225 = 10919^2 + 4865^2 .

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 142892786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101331 + ... + 2101398.

Almost surely, 2^142892786 is an apocalyptic number.

142892786 is a deficient number, since it is larger than the sum of its proper divisors (84054634).

142892786 is a wasteful number, since it uses less digits than its factorization.

142892786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202748.

The product of its digits is 387072, while the sum is 47.

The square root of 142892786 is about 11953.7770599924. Note that the first 3 decimals coincide. The cubic root of 142892786 is about 522.8014313448.

The spelling of 142892786 in words is "one hundred forty-two million, eight hundred ninety-two thousand, seven hundred eighty-six".