146005 has 4 divisors (see below), whose sum is σ = 175212. Its totient is φ = 116800.

The previous prime is 145991. The next prime is 146009. The reversal of 146005 is 500641.

146005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500641 = 23 ⋅21767.

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 96721 = 222^2 + 311^2 .

It is a de Polignac number, because none of the positive numbers 2^k-146005 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14596 + ... + 14605.

It is an arithmetic number, because the mean of its divisors is an integer number (43803).

2¹⁴⁶⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

146005 is a deficient number, since it is larger than the sum of its proper divisors (29207).

146005 is an equidigital number, since it uses as much as digits as its factorization.

146005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29206.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 146005 is about 382.1060062339. The cubic root of 146005 is about 52.6569753750.

Adding to 146005 its reverse (500641), we get a palindrome (646646).

The spelling of 146005 in words is "one hundred forty-six thousand, five".