320045141 has 8 divisors (see below), whose sum is σ = 345569280. Its totient is φ = 294650352.

The previous prime is 320045113. The next prime is 320045149. The reversal of 320045141 is 141540023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320045141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320045149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27161 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (43196160).

Almost surely, 2^320045141 is an apocalyptic number.

It is an amenable number.

320045141 is a deficient number, since it is larger than the sum of its proper divisors (25524139).

320045141 is a wasteful number, since it uses less digits than its factorization.

320045141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64675.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 320045141 is about 17889.8055048120. The cubic root of 320045141 is about 684.0225396685.

Adding to 320045141 its reverse (141540023), we get a palindrome (461585164).

The spelling of 320045141 in words is "three hundred twenty million, forty-five thousand, one hundred forty-one".