142884886 has 8 divisors (see below), whose sum is σ = 214470864. Its totient is φ = 71394600.

The previous prime is 142884857. The next prime is 142884941. The reversal of 142884886 is 688488241.

It is a happy number.

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

It is a super-4 number, since 4×142884886⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

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, 20065 + ... + 26236.

It is an arithmetic number, because the mean of its divisors is an integer number (26808858).

Almost surely, 2^142884886 is an apocalyptic number.

142884886 is a deficient number, since it is larger than the sum of its proper divisors (71585978).

142884886 is a wasteful number, since it uses less digits than its factorization.

142884886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47846.

The product of its digits is 786432, while the sum is 49.

The square root of 142884886 is about 11953.4466159347. The cubic root of 142884886 is about 522.7917965980.

The spelling of 142884886 in words is "one hundred forty-two million, eight hundred eighty-four thousand, eight hundred eighty-six".