845158860 has 504 divisors, whose sum is σ = 3360319200. Its totient is φ = 178319232.

The previous prime is 845158819. The next prime is 845158879. The reversal of 845158860 is 68851548.

845158860 is a `hidden beast` number, since 8 + 4 + 5 + 1 + 588 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 65012214 + ... + 65012226.

It is an arithmetic number, because the mean of its divisors is an integer number (6667300).

Almost surely, 2^845158860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845158860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680159600).

845158860 is an abundant number, since it is smaller than the sum of its proper divisors (2515160340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845158860 is a wasteful number, since it uses less digits than its factorization.

845158860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 845158860 is about 29071.6160541515. The cubic root of 845158860 is about 945.4664364035.

The spelling of 845158860 in words is "eight hundred forty-five million, one hundred fifty-eight thousand, eight hundred sixty".