845625522 has 32 divisors (see below), whose sum is σ = 1934180352. Its totient is φ = 241442064.

The previous prime is 845625499. The next prime is 845625523. The reversal of 845625522 is 225526548.

It is a happy number.

845625522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (845625523) 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, 63793 + ... + 75899.

It is an arithmetic number, because the mean of its divisors is an integer number (60443136).

Almost surely, 2^845625522 is an apocalyptic number.

845625522 is an abundant number, since it is smaller than the sum of its proper divisors (1088554830).

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

845625522 is a wasteful number, since it uses less digits than its factorization.

845625522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782.

The product of its digits is 192000, while the sum is 39.

The square root of 845625522 is about 29079.6410225436. The cubic root of 845625522 is about 945.6404202927.

The spelling of 845625522 in words is "eight hundred forty-five million, six hundred twenty-five thousand, five hundred twenty-two".