146205 has 30 divisors (see below), whose sum is σ = 276606. Its totient is φ = 73872.

The previous prime is 146203. The next prime is 146213. The reversal of 146205 is 502641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 116964 + 29241 = 342^2 + 171^2 .

It is not a de Polignac number, because 146205 - 2¹ = 146203 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

146205 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146205.

It is not an unprimeable number, because it can be changed into a prime (146203) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7686 + ... + 7704.

2¹⁴⁶²⁰⁵ is an apocalyptic number.

146205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146205 is a deficient number, since it is larger than the sum of its proper divisors (130401).

146205 is an equidigital number, since it uses as much as digits as its factorization.

146205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 146205 is about 382.3676241525. The cubic root of 146205 is about 52.6810078626.

Adding to 146205 its reverse (502641), we get a palindrome (648846).

It can be divided in two parts, 146 and 205, that added together give a triangular number (351 = T₂₆).

The spelling of 146205 in words is "one hundred forty-six thousand, two hundred five".