320560142 has 16 divisors (see below), whose sum is σ = 568481760. Its totient is φ = 132645408.

The previous prime is 320560127. The next prime is 320560147. The reversal of 320560142 is 241065023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320560147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394373 + ... + 395184.

It is an arithmetic number, because the mean of its divisors is an integer number (35530110).

Almost surely, 2^320560142 is an apocalyptic number.

320560142 is a deficient number, since it is larger than the sum of its proper divisors (247921618).

320560142 is a wasteful number, since it uses less digits than its factorization.

320560142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789595.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 320560142 is about 17904.1934194199. The cubic root of 320560142 is about 684.3892415932.

The spelling of 320560142 in words is "three hundred twenty million, five hundred sixty thousand, one hundred forty-two".