845745716 has 24 divisors (see below), whose sum is σ = 1583285256. Its totient is φ = 393891840.

The previous prime is 845745671. The next prime is 845745737. The reversal of 845745716 is 617547548.

It can be written as a sum of positive squares in 4 ways, for example, as 200788900 + 644956816 = 14170^2 + 25396^2 .

It is a super-4 number, since 4×845745716⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57515 + ... + 70706.

It is an arithmetic number, because the mean of its divisors is an integer number (65970219).

Almost surely, 2^845745716 is an apocalyptic number.

It is an amenable number.

845745716 is a deficient number, since it is larger than the sum of its proper divisors (737539540).

845745716 is a wasteful number, since it uses less digits than its factorization.

845745716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128339 (or 128337 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The square root of 845745716 is about 29081.7075839779. The cubic root of 845745716 is about 945.6852214161.

The spelling of 845745716 in words is "eight hundred forty-five million, seven hundred forty-five thousand, seven hundred sixteen".