320301425545 has 8 divisors (see below), whose sum is σ = 394749865224. Its totient is φ = 249315704064.

The previous prime is 320301425513. The next prime is 320301425557. The reversal of 320301425545 is 545524103023.

It can be written as a sum of positive squares in 4 ways, for example, as 207851192649 + 112450232896 = 455907^2 + 335336^2 .

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

It is not a de Polignac number, because 320301425545 - 2⁵ = 320301425513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320301425545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865679344 + ... + 865679713.

It is an arithmetic number, because the mean of its divisors is an integer number (49343733153).

Almost surely, 2^320301425545 is an apocalyptic number.

It is an amenable number.

320301425545 is a deficient number, since it is larger than the sum of its proper divisors (74448439679).

320301425545 is a wasteful number, since it uses less digits than its factorization.

320301425545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731359099.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 320301425545 its reverse (545524103023), we get a palindrome (865825528568).

The spelling of 320301425545 in words is "three hundred twenty billion, three hundred one million, four hundred twenty-five thousand, five hundred forty-five".