134545 has 8 divisors (see below), whose sum is σ = 164160. Its totient is φ = 105840.

The previous prime is 134513. The next prime is 134581. The reversal of 134545 is 545431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134545 - 2⁵ = 134513 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2¹³⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

134545 is a deficient number, since it is larger than the sum of its proper divisors (29615).

134545 is an equidigital number, since it uses as much as digits as its factorization.

134545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its digits is 1200, while the sum is 22.

The square root of 134545 is about 366.8037622490. The cubic root of 134545 is about 51.2415810085.

Adding to 134545 its reverse (545431), we get a palindrome (679976).

The spelling of 134545 in words is "one hundred thirty-four thousand, five hundred forty-five".