945068320545 has 16 divisors (see below), whose sum is σ = 1525490813952. Its totient is φ = 499575937280.

The previous prime is 945068320543. The next prime is 945068320583. The reversal of 945068320545 is 545023860549.

It is a happy number.

It is not a de Polignac number, because 945068320545 - 2¹ = 945068320543 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (945068320541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278779521 + ... + 278782910.

It is an arithmetic number, because the mean of its divisors is an integer number (95343175872).

Almost surely, 2^945068320545 is an apocalyptic number.

It is an amenable number.

945068320545 is a deficient number, since it is larger than the sum of its proper divisors (580422493407).

945068320545 is a wasteful number, since it uses less digits than its factorization.

945068320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557562552.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 945068320545 in words is "nine hundred forty-five billion, sixty-eight million, three hundred twenty thousand, five hundred forty-five".