345513335552045 has 4 divisors (see below), whose sum is σ = 414616002662460. Its totient is φ = 276410668441632.

The previous prime is 345513335551963. The next prime is 345513335552089. The reversal of 345513335552045 is 540255533315543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230298744306409 + 115214591245636 = 15175597^2 + 10733806^2 .

It is a cyclic number.

It is not a de Polignac number, because 345513335552045 - 2¹² = 345513335547949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34551333555200 + ... + 34551333555209.

It is an arithmetic number, because the mean of its divisors is an integer number (103654000665615).

Almost surely, 2^{345513335552045} is an apocalyptic number.

It is an amenable number.

345513335552045 is a deficient number, since it is larger than the sum of its proper divisors (69102667110415).

345513335552045 is an equidigital number, since it uses as much as digits as its factorization.

345513335552045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69102667110414.

The product of its (nonzero) digits is 40500000, while the sum is 53.

Adding to 345513335552045 its reverse (540255533315543), we get a palindrome (885768868867588).

The spelling of 345513335552045 in words is "three hundred forty-five trillion, five hundred thirteen billion, three hundred thirty-five million, five hundred fifty-two thousand, forty-five".