2345343023545 has 16 divisors (see below), whose sum is σ = 2909876014800. Its totient is φ = 1813312168704.

The previous prime is 2345343023531. The next prime is 2345343023563. The reversal of 2345343023545 is 5453203435432.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 218144109481 + 2127198914064 = 467059^2 + 1458492^2 .

It is not a de Polignac number, because 2345343023545 - 2¹⁵ = 2345342990777 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42514482 + ... + 42569611.

It is an arithmetic number, because the mean of its divisors is an integer number (181867250925).

Almost surely, 2^{2345343023545} is an apocalyptic number.

It is an amenable number.

2345343023545 is a deficient number, since it is larger than the sum of its proper divisors (564532991255).

2345343023545 is a wasteful number, since it uses less digits than its factorization.

2345343023545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85084284.

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 2345343023545 its reverse (5453203435432), we get a palindrome (7798546458977).

The spelling of 2345343023545 in words is "two trillion, three hundred forty-five billion, three hundred forty-three million, twenty-three thousand, five hundred forty-five".