142886946 has 8 divisors (see below), whose sum is σ = 285773904. Its totient is φ = 47628980.

The previous prime is 142886911. The next prime is 142886951. The reversal of 142886946 is 649688241.

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

142886946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 142886895 and 142886904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11907240 + ... + 11907251.

It is an arithmetic number, because the mean of its divisors is an integer number (35721738).

Almost surely, 2^142886946 is an apocalyptic number.

142886946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142886946 is a wasteful number, since it uses less digits than its factorization.

142886946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23814496.

The product of its digits is 663552, while the sum is 48.

The square root of 142886946 is about 11953.5327832403. The cubic root of 142886946 is about 522.7943089839.

The spelling of 142886946 in words is "one hundred forty-two million, eight hundred eighty-six thousand, nine hundred forty-six".