146305 has 8 divisors (see below), whose sum is σ = 181800. Its totient is φ = 112896.

The previous prime is 146299. The next prime is 146309. The reversal of 146305 is 503641.

It can be written as a sum of positive squares in 4 ways, for example, as 7921 + 138384 = 89^2 + 372^2 .

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 146305 - 2³ = 146297 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (22725).

2¹⁴⁶³⁰⁵ is an apocalyptic number.

It is an amenable number.

146305 is a deficient number, since it is larger than the sum of its proper divisors (35495).

146305 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 146305 = (435601)₈.

146305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 146305 is about 382.4983660096. The cubic root of 146305 is about 52.6930158882.

Adding to 146305 its reverse (503641), we get a palindrome (649946).

The spelling of 146305 in words is "one hundred forty-six thousand, three hundred five".