34845 has 16 divisors (see below), whose sum is σ = 58752. Its totient is φ = 17600.

The previous prime is 34843. The next prime is 34847. The reversal of 34845 is 54843.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34843) and next prime (34847).

It is not a de Polignac number, because 34845 - 2¹ = 34843 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34841) 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, 295 + ... + 395.

It is an arithmetic number, because the mean of its divisors is an integer number (3672).

2³⁴⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

34845 is a deficient number, since it is larger than the sum of its proper divisors (23907).

34845 is a wasteful number, since it uses less digits than its factorization.

34845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132.

The product of its digits is 1920, while the sum is 24.

The square root of 34845 is about 186.6681547560. The cubic root of 34845 is about 32.6623044756.

It can be divided in two parts, 348 and 45, that added together give a palindrome (393).

The spelling of 34845 in words is "thirty-four thousand, eight hundred forty-five".