328765142 has 32 divisors (see below), whose sum is σ = 538259904. Its totient is φ = 149990400.

The previous prime is 328765133. The next prime is 328765249. The reversal of 328765142 is 241567823.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 328765096 and 328765105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251663 + ... + 252965.

It is an arithmetic number, because the mean of its divisors is an integer number (16820622).

Almost surely, 2^328765142 is an apocalyptic number.

328765142 is a deficient number, since it is larger than the sum of its proper divisors (209494762).

328765142 is a wasteful number, since it uses less digits than its factorization.

328765142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 80640, while the sum is 38.

The square root of 328765142 is about 18131.8819210803. The cubic root of 328765142 is about 690.1792868841.

The spelling of 328765142 in words is "three hundred twenty-eight million, seven hundred sixty-five thousand, one hundred forty-two".