320352142 has 64 divisors (see below), whose sum is σ = 572064768. Its totient is φ = 133056000.

The previous prime is 320352101. The next prime is 320352163. The reversal of 320352142 is 241253023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329142 + ... + 1329382.

It is an arithmetic number, because the mean of its divisors is an integer number (8938512).

Almost surely, 2^320352142 is an apocalyptic number.

320352142 is a deficient number, since it is larger than the sum of its proper divisors (251712626).

320352142 is a wasteful number, since it uses less digits than its factorization.

320352142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 320352142 is about 17898.3837817832. The cubic root of 320352142 is about 684.2411843397.

The spelling of 320352142 in words is "three hundred twenty million, three hundred fifty-two thousand, one hundred forty-two".