845151852 has 24 divisors (see below), whose sum is σ = 1972868800. Its totient is φ = 281596176.

The previous prime is 845151841. The next prime is 845151887. The reversal of 845151852 is 258151548.

It is a self number, because there is not a number n which added to its sum of digits gives 845151852.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16599 + ... + 44337.

Almost surely, 2^845151852 is an apocalyptic number.

It is an amenable number.

845151852 is an abundant number, since it is smaller than the sum of its proper divisors (1127716948).

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

845151852 is a wasteful number, since it uses less digits than its factorization.

845151852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285 (or 30283 counting only the distinct ones).

The product of its digits is 64000, while the sum is 39.

The square root of 845151852 is about 29071.4955239664. The cubic root of 845151852 is about 945.4638231484.

The spelling of 845151852 in words is "eight hundred forty-five million, one hundred fifty-one thousand, eight hundred fifty-two".