142984886 has 16 divisors (see below), whose sum is σ = 234159120. Its totient is φ = 64942080.

The previous prime is 142984873. The next prime is 142984921. The reversal of 142984886 is 688489241.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 51830 + ... + 54518.

It is an arithmetic number, because the mean of its divisors is an integer number (14634945).

Almost surely, 2^142984886 is an apocalyptic number.

142984886 is a deficient number, since it is larger than the sum of its proper divisors (91174234).

142984886 is a wasteful number, since it uses less digits than its factorization.

142984886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119.

The product of its digits is 884736, while the sum is 50.

The square root of 142984886 is about 11957.6287783155. The cubic root of 142984886 is about 522.9137292245.

The spelling of 142984886 in words is "one hundred forty-two million, nine hundred eighty-four thousand, eight hundred eighty-six".