89811142 has 8 divisors (see below), whose sum is σ = 134757000. Its totient is φ = 44892144.

The previous prime is 89811121. The next prime is 89811167. The reversal of 89811142 is 24111898.

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

It is a junction number, because it is equal to n+sod(n) for n = 89811098 and 89811107.

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 3 ways as a sum of consecutive naturals, for example, 9034 + ... + 16162.

It is an arithmetic number, because the mean of its divisors is an integer number (16844625).

Almost surely, 2^89811142 is an apocalyptic number.

89811142 is a deficient number, since it is larger than the sum of its proper divisors (44945858).

89811142 is a wasteful number, since it uses less digits than its factorization.

89811142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430.

The product of its digits is 4608, while the sum is 34.

The square root of 89811142 is about 9476.8740626854. The cubic root of 89811142 is about 447.8267924972.

The spelling of 89811142 in words is "eighty-nine million, eight hundred eleven thousand, one hundred forty-two".