845256045 has 16 divisors (see below), whose sum is σ = 1359421632. Its totient is φ = 448465920.

The previous prime is 845256043. The next prime is 845256053. The reversal of 845256045 is 540652548.

845256045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 845256045 - 2¹ = 845256043 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 845255994 and 845256012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845256043) 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, 143091 + ... + 148880.

It is an arithmetic number, because the mean of its divisors is an integer number (84963852).

Almost surely, 2^845256045 is an apocalyptic number.

It is an amenable number.

845256045 is a deficient number, since it is larger than the sum of its proper divisors (514165587).

845256045 is a wasteful number, since it uses less digits than its factorization.

845256045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292172.

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

The square root of 845256045 is about 29073.2874818105. The cubic root of 845256045 is about 945.5026748111.

The spelling of 845256045 in words is "eight hundred forty-five million, two hundred fifty-six thousand, forty-five".