843235145 has 8 divisors (see below), whose sum is σ = 1012723656. Its totient is φ = 674027136.

The previous prime is 843235109. The next prime is 843235153. The reversal of 843235145 is 541532348.

843235145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6405961 + 836829184 = 2531^2 + 28928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 843235145 - 2¹⁰ = 843234121 is a prime.

It is a super-2 number, since 2×843235145² = 1422091019526342050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63452 + ... + 75581.

It is an arithmetic number, because the mean of its divisors is an integer number (126590457).

Almost surely, 2^843235145 is an apocalyptic number.

It is an amenable number.

843235145 is a deficient number, since it is larger than the sum of its proper divisors (169488511).

843235145 is a wasteful number, since it uses less digits than its factorization.

843235145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140251.

The product of its digits is 57600, while the sum is 35.

The square root of 843235145 is about 29038.5114115720. The cubic root of 843235145 is about 944.7485478249.

The spelling of 843235145 in words is "eight hundred forty-three million, two hundred thirty-five thousand, one hundred forty-five".