845825172 has 24 divisors (see below), whose sum is σ = 1974621600. Its totient is φ = 281794656.

The previous prime is 845825137. The next prime is 845825177. The reversal of 845825172 is 271528548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845825177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6979 + ... + 41717.

It is an arithmetic number, because the mean of its divisors is an integer number (82275900).

Almost surely, 2^845825172 is an apocalyptic number.

It is an amenable number.

845825172 is an abundant number, since it is smaller than the sum of its proper divisors (1128796428).

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

845825172 is a wasteful number, since it uses less digits than its factorization.

845825172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36775 (or 36773 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 845825172 is about 29083.0736339886. The cubic root of 845825172 is about 945.7148355229.

The spelling of 845825172 in words is "eight hundred forty-five million, eight hundred twenty-five thousand, one hundred seventy-two".