320412142 has 8 divisors (see below), whose sum is σ = 485110296. Its totient is φ = 158708712.

The previous prime is 320412109. The next prime is 320412161. The reversal of 320412142 is 241214023.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 748413 + ... + 748840.

It is an arithmetic number, because the mean of its divisors is an integer number (60638787).

Almost surely, 2^320412142 is an apocalyptic number.

320412142 is a deficient number, since it is larger than the sum of its proper divisors (164698154).

320412142 is a wasteful number, since it uses less digits than its factorization.

320412142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497362.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 320412142 is about 17900.0598323022. The cubic root of 320412142 is about 684.2838997383.

Adding to 320412142 its reverse (241214023), we get a palindrome (561626165).

The spelling of 320412142 in words is "three hundred twenty million, four hundred twelve thousand, one hundred forty-two".