845138562 has 16 divisors (see below), whose sum is σ = 1700049600. Its totient is φ = 280084112.

The previous prime is 845138549. The next prime is 845138573. The reversal of 845138562 is 265831548.

845138562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 406062 + ... + 408137.

It is an arithmetic number, because the mean of its divisors is an integer number (106253100).

Almost surely, 2^845138562 is an apocalyptic number.

845138562 is an abundant number, since it is smaller than the sum of its proper divisors (854911038).

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

845138562 is a wasteful number, since it uses less digits than its factorization.

845138562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814377.

The product of its digits is 230400, while the sum is 42.

The square root of 845138562 is about 29071.2669486557. The cubic root of 845138562 is about 945.4588673210.

The spelling of 845138562 in words is "eight hundred forty-five million, one hundred thirty-eight thousand, five hundred sixty-two".