854143345 has 16 divisors (see below), whose sum is σ = 1121988672. Its totient is φ = 619063360.

The previous prime is 854143343. The next prime is 854143363. The reversal of 854143345 is 543341458.

854143345 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 854143345 - 2¹ = 854143343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854143343) 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, 10387 + ... + 42616.

It is an arithmetic number, because the mean of its divisors is an integer number (70124292).

Almost surely, 2^854143345 is an apocalyptic number.

It is an amenable number.

854143345 is a deficient number, since it is larger than the sum of its proper divisors (267845327).

854143345 is a wasteful number, since it uses less digits than its factorization.

854143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53312.

The product of its digits is 115200, while the sum is 37.

The square root of 854143345 is about 29225.7308719560. The cubic root of 854143345 is about 948.8049034823.

The spelling of 854143345 in words is "eight hundred fifty-four million, one hundred forty-three thousand, three hundred forty-five".