320331460545 has 48 divisors (see below), whose sum is σ = 585894067200. Its totient is φ = 161455783680.

The previous prime is 320331460541. The next prime is 320331460567. The reversal of 320331460545 is 545064133023.

320331460545 is a `hidden beast` number, since 3 + 2 + 0 + 3 + 3 + 1 + 4 + 605 + 45 = 666.

320331460545 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 320331460545 - 2² = 320331460541 is a prime.

It is a super-2 number, since 2×320331460545² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320331460541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108321 + ... + 807710.

It is an arithmetic number, because the mean of its divisors is an integer number (12206126400).

Almost surely, 2^320331460545 is an apocalyptic number.

It is an amenable number.

320331460545 is a deficient number, since it is larger than the sum of its proper divisors (265562606655).

320331460545 is a wasteful number, since it uses less digits than its factorization.

320331460545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916470 (or 916467 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 320331460545 its reverse (545064133023), we get a palindrome (865395593568).

The spelling of 320331460545 in words is "three hundred twenty billion, three hundred thirty-one million, four hundred sixty thousand, five hundred forty-five".