834145 has 16 divisors (see below), whose sum is σ = 1107792. Its totient is φ = 599040.

The previous prime is 834143. The next prime is 834149. The reversal of 834145 is 541438.

834145 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 8 ways, for example, as 512656 + 321489 = 716^2 + 567^2 .

It is not a de Polignac number, because 834145 - 2¹ = 834143 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (834143) 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, 2509 + ... + 2821.

It is an arithmetic number, because the mean of its divisors is an integer number (69237).

2⁸³⁴¹⁴⁵ is an apocalyptic number.

It is an amenable number.

834145 is a deficient number, since it is larger than the sum of its proper divisors (273647).

834145 is a wasteful number, since it uses less digits than its factorization.

834145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 1920, while the sum is 25.

The square root of 834145 is about 913.3153891181. The cubic root of 834145 is about 94.1341452772.

It can be divided in two parts, 834 and 145, that added together give a palindrome (979).

The spelling of 834145 in words is "eight hundred thirty-four thousand, one hundred forty-five".