845803153 has 4 divisors (see below), whose sum is σ = 910864948. Its totient is φ = 780741360.

The previous prime is 845803139. The next prime is 845803171. The reversal of 845803153 is 351308548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 451860049 + 393943104 = 21257^2 + 19848^2 .

It is a cyclic number.

It is not a de Polignac number, because 845803153 - 2⁵ = 845803121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845804153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32530878 + ... + 32530903.

It is an arithmetic number, because the mean of its divisors is an integer number (227716237).

Almost surely, 2^845803153 is an apocalyptic number.

It is an amenable number.

845803153 is a deficient number, since it is larger than the sum of its proper divisors (65061795).

845803153 is a wasteful number, since it uses less digits than its factorization.

845803153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65061794.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 845803153 is about 29082.6950780013. The cubic root of 845803153 is about 945.7066289903.

The spelling of 845803153 in words is "eight hundred forty-five million, eight hundred three thousand, one hundred fifty-three".