945745845 has 16 divisors (see below), whose sum is σ = 1650756672. Its totient is φ = 458543360.

The previous prime is 945745807. The next prime is 945745849. The reversal of 945745845 is 548547549.

It is not a de Polignac number, because 945745845 - 2¹¹ = 945743797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945745849) 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, 2865732 + ... + 2866061.

It is an arithmetic number, because the mean of its divisors is an integer number (103172292).

Almost surely, 2^945745845 is an apocalyptic number.

It is an amenable number.

945745845 is a deficient number, since it is larger than the sum of its proper divisors (705010827).

945745845 is a wasteful number, since it uses less digits than its factorization.

945745845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731812.

The product of its digits is 4032000, while the sum is 51.

The square root of 945745845 is about 30752.9810750112. The cubic root of 945745845 is about 981.5779953723.

The spelling of 945745845 in words is "nine hundred forty-five million, seven hundred forty-five thousand, eight hundred forty-five".