988942143 has 16 divisors (see below), whose sum is σ = 1512528896. Its totient is φ = 563021280.

The previous prime is 988942133. The next prime is 988942147. The reversal of 988942143 is 341249889.

It is not a de Polignac number, because 988942143 - 2⁵ = 988942111 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 988942092 and 988942101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988942147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81196 + ... + 92577.

It is an arithmetic number, because the mean of its divisors is an integer number (94533056).

Almost surely, 2^988942143 is an apocalyptic number.

988942143 is a deficient number, since it is larger than the sum of its proper divisors (523586753).

988942143 is a wasteful number, since it uses less digits than its factorization.

988942143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174054.

The product of its digits is 497664, while the sum is 48.

The square root of 988942143 is about 31447.4505007958. The cubic root of 988942143 is about 996.3003773380.

The spelling of 988942143 in words is "nine hundred eighty-eight million, nine hundred forty-two thousand, one hundred forty-three".