845189070 has 32 divisors (see below), whose sum is σ = 2212859520. Its totient is φ = 204894240.

The previous prime is 845189063. The next prime is 845189071. The reversal of 845189070 is 70981548.

845189070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845189071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280260 + ... + 1280919.

It is an arithmetic number, because the mean of its divisors is an integer number (69151860).

Almost surely, 2^845189070 is an apocalyptic number.

845189070 is an abundant number, since it is smaller than the sum of its proper divisors (1367670450).

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

845189070 is a wasteful number, since it uses less digits than its factorization.

845189070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561200.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 845189070 is about 29072.1356284673. The cubic root of 845189070 is about 945.4777014260.

The spelling of 845189070 in words is "eight hundred forty-five million, one hundred eighty-nine thousand, seventy".