845250804 has 36 divisors (see below), whose sum is σ = 2139997860. Its totient is φ = 281303040.

The previous prime is 845250803. The next prime is 845250877. The reversal of 845250804 is 408052548.

It can be written as a sum of positive squares in 2 ways, for example, as 781090704 + 64160100 = 27948^2 + 8010^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845250803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4762 + ... + 41390.

It is an arithmetic number, because the mean of its divisors is an integer number (59444385).

Almost surely, 2^845250804 is an apocalyptic number.

It is an amenable number.

845250804 is an abundant number, since it is smaller than the sum of its proper divisors (1294747056).

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

845250804 is a wasteful number, since it uses less digits than its factorization.

845250804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37280 (or 37275 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 845250804 is about 29073.1973473851. The cubic root of 845250804 is about 945.5007206144.

The spelling of 845250804 in words is "eight hundred forty-five million, two hundred fifty thousand, eight hundred four".