845738541 has 6 divisors (see below), whose sum is σ = 1221622350. Its totient is φ = 563825688.

The previous prime is 845738519. The next prime is 845738557. The reversal of 845738541 is 145837548.

845738541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 475022025 + 370716516 = 21795^2 + 19254^2 .

It is a de Polignac number, because none of the positive numbers 2^k-845738541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845738501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46985466 + ... + 46985483.

It is an arithmetic number, because the mean of its divisors is an integer number (203603725).

Almost surely, 2^845738541 is an apocalyptic number.

It is an amenable number.

845738541 is a deficient number, since it is larger than the sum of its proper divisors (375883809).

845738541 is a wasteful number, since it uses less digits than its factorization.

845738541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93970955 (or 93970952 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 845738541 is about 29081.5842243850. The cubic root of 845738541 is about 945.6825471250.

The spelling of 845738541 in words is "eight hundred forty-five million, seven hundred thirty-eight thousand, five hundred forty-one".