89820142 has 8 divisors (see below), whose sum is σ = 135966600. Its totient is φ = 44497944.

The previous prime is 89820131. The next prime is 89820161. The reversal of 89820142 is 24102898.

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 = 89820098 and 89820107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205792 + ... + 206227.

It is an arithmetic number, because the mean of its divisors is an integer number (16995825).

Almost surely, 2^89820142 is an apocalyptic number.

89820142 is a deficient number, since it is larger than the sum of its proper divisors (46146458).

89820142 is a wasteful number, since it uses less digits than its factorization.

89820142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412130.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 89820142 is about 9477.3488909083. The cubic root of 89820142 is about 447.8417509475.

The spelling of 89820142 in words is "eighty-nine million, eight hundred twenty thousand, one hundred forty-two".