328178142 has 20 divisors (see below), whose sum is σ = 735362496. Its totient is φ = 109392660.

The previous prime is 328178129. The next prime is 328178161. The reversal of 328178142 is 241871823.

It is a junction number, because it is equal to n+sod(n) for n = 328178097 and 328178106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1012734 + ... + 1013057.

Almost surely, 2^328178142 is an apocalyptic number.

328178142 is an abundant number, since it is smaller than the sum of its proper divisors (407184354).

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

328178142 is a wasteful number, since it uses less digits than its factorization.

328178142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025805 (or 2025796 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 328178142 is about 18115.6877319079. The cubic root of 328178142 is about 689.7682775770.

It can be divided in two parts, 3281781 and 42, that added together give a palindrome (3281823).

The spelling of 328178142 in words is "three hundred twenty-eight million, one hundred seventy-eight thousand, one hundred forty-two".