320014045 has 8 divisors (see below), whose sum is σ = 413556696. Its totient is φ = 236318016.

The previous prime is 320014033. The next prime is 320014049. The reversal of 320014045 is 540410023.

It can be written as a sum of positive squares in 4 ways, for example, as 1819801 + 318194244 = 1349^2 + 17838^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 320014045 - 2¹¹ = 320011997 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 (320014049) 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, 2461582 + ... + 2461711.

It is an arithmetic number, because the mean of its divisors is an integer number (51694587).

Almost surely, 2^320014045 is an apocalyptic number.

It is an amenable number.

320014045 is a deficient number, since it is larger than the sum of its proper divisors (93542651).

320014045 is a wasteful number, since it uses less digits than its factorization.

320014045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923311.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 320014045 is about 17888.9363853752. The cubic root of 320014045 is about 684.0003854460. Note that the first 3 decimals are identical.

Adding to 320014045 its reverse (540410023), we get a palindrome (860424068).

It can be divided in two parts, 32001 and 4045, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 320014045 in words is "three hundred twenty million, fourteen thousand, forty-five".