320135315445 has 160 divisors (see below), whose sum is σ = 630701824896. Its totient is φ = 154067443200.

The previous prime is 320135315393. The next prime is 320135315459. The reversal of 320135315445 is 544513531023.

320135315445 is a `hidden beast` number, since 3 + 20 + 13 + 531 + 54 + 45 = 666.

It is not a de Polignac number, because 320135315445 - 2⁸ = 320135315189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 560657010 + ... + 560657580.

Almost surely, 2^320135315445 is an apocalyptic number.

It is an amenable number.

320135315445 is a deficient number, since it is larger than the sum of its proper divisors (310566509451).

320135315445 is a wasteful number, since it uses less digits than its factorization.

320135315445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 320135315445 its reverse (544513531023), we get a palindrome (864648846468).

The spelling of 320135315445 in words is "three hundred twenty billion, one hundred thirty-five million, three hundred fifteen thousand, four hundred forty-five".