898820142 has 128 divisors (see below), whose sum is σ = 2119772160. Its totient is φ = 251475840.

The previous prime is 898820129. The next prime is 898820161. The reversal of 898820142 is 241028898.

898820142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 898820094 and 898820103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5514153 + ... + 5514315.

It is an arithmetic number, because the mean of its divisors is an integer number (16560720).

Almost surely, 2^898820142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898820142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059886080).

898820142 is an abundant number, since it is smaller than the sum of its proper divisors (1220952018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898820142 is a wasteful number, since it uses less digits than its factorization.

898820142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 898820142 is about 29980.3292510272. The cubic root of 898820142 is about 965.0672962635.

The spelling of 898820142 in words is "eight hundred ninety-eight million, eight hundred twenty thousand, one hundred forty-two".