578171142 has 64 divisors (see below), whose sum is σ = 1330790400. Its totient is φ = 185872320.

The previous prime is 578171141. The next prime is 578171177. The reversal of 578171142 is 241171875.

578171142 is a `hidden beast` number, since 578 + 1 + 71 + 14 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 578171097 and 578171106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578171141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952203 + ... + 952809.

It is an arithmetic number, because the mean of its divisors is an integer number (20793600).

Almost surely, 2^578171142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578171142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665395200).

578171142 is an abundant number, since it is smaller than the sum of its proper divisors (752619258).

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

578171142 is a wasteful number, since it uses less digits than its factorization.

578171142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1212 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 578171142 is about 24045.1895812863. The cubic root of 578171142 is about 833.0776252596.

The spelling of 578171142 in words is "five hundred seventy-eight million, one hundred seventy-one thousand, one hundred forty-two".