855469153 has 24 divisors (see below), whose sum is σ = 1121387904. Its totient is φ = 637602240.

The previous prime is 855469123. The next prime is 855469177. The reversal of 855469153 is 351964558.

It is a de Polignac number, because none of the positive numbers 2^k-855469153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855469123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2476 + ... + 41437.

It is an arithmetic number, because the mean of its divisors is an integer number (46724496).

Almost surely, 2^855469153 is an apocalyptic number.

It is an amenable number.

855469153 is a deficient number, since it is larger than the sum of its proper divisors (265918751).

855469153 is a wasteful number, since it uses less digits than its factorization.

855469153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43965 (or 43954 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 855469153 is about 29248.4042812595. The cubic root of 855469153 is about 949.2955638387.

The spelling of 855469153 in words is "eight hundred fifty-five million, four hundred sixty-nine thousand, one hundred fifty-three".