305020532346345 has 96 divisors (see below), whose sum is σ = 559704077337600. Its totient is φ = 153238623247872.

The previous prime is 305020532346113. The next prime is 305020532346359. The reversal of 305020532346345 is 543643235020503.

305020532346345 is a `hidden beast` number, since 3 + 0 + 5 + 0 + 2 + 0 + 5 + 3 + 2 + 3 + 4 + 634 + 5 = 666.

It is not a de Polignac number, because 305020532346345 - 2¹² = 305020532342249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 305020532346345.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112099599 + ... + 114788331.

It is an arithmetic number, because the mean of its divisors is an integer number (5830250805600).

Almost surely, 2^{305020532346345} is an apocalyptic number.

It is an amenable number.

305020532346345 is a deficient number, since it is larger than the sum of its proper divisors (254683544991255).

305020532346345 is a wasteful number, since it uses less digits than its factorization.

305020532346345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689519 (or 2689516 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 45.

Adding to 305020532346345 its reverse (543643235020503), we get a palindrome (848663767366848).

The spelling of 305020532346345 in words is "three hundred five trillion, twenty billion, five hundred thirty-two million, three hundred forty-six thousand, three hundred forty-five".