845151853 has 48 divisors (see below), whose sum is σ = 1104789504. Its totient is φ = 640120320.

The previous prime is 845151841. The next prime is 845151887. The reversal of 845151853 is 358151548.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-845151853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845157853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2507701 + ... + 2508037.

It is an arithmetic number, because the mean of its divisors is an integer number (23016448).

Almost surely, 2^845151853 is an apocalyptic number.

It is an amenable number.

845151853 is a deficient number, since it is larger than the sum of its proper divisors (259637651).

845151853 is a wasteful number, since it uses less digits than its factorization.

845151853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 515 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 845151853 is about 29071.4955411654. The cubic root of 845151853 is about 945.4638235213.

It can be divided in two parts, 84515 and 1853, that added together give a palindrome (86368).

The spelling of 845151853 in words is "eight hundred forty-five million, one hundred fifty-one thousand, eight hundred fifty-three".