545343245310305 has 128 divisors (see below), whose sum is σ = 734658978816000. Its totient is φ = 388198721664000.

The previous prime is 545343245310301. The next prime is 545343245310307. The reversal of 545343245310305 is 503013542343545.

It is not a de Polignac number, because 545343245310305 - 2² = 545343245310301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545343245310305.

It is not an unprimeable number, because it can be changed into a prime (545343245310301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 154619574452 + ... + 154619577978.

It is an arithmetic number, because the mean of its divisors is an integer number (5739523272000).

Almost surely, 2^{545343245310305} is an apocalyptic number.

It is an amenable number.

545343245310305 is a deficient number, since it is larger than the sum of its proper divisors (189315733505695).

545343245310305 is a wasteful number, since it uses less digits than its factorization.

545343245310305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 47.

The spelling of 545343245310305 in words is "five hundred forty-five trillion, three hundred forty-three billion, two hundred forty-five million, three hundred ten thousand, three hundred five".