545134 has 4 divisors (see below), whose sum is σ = 817704. Its totient is φ = 272566.

The previous prime is 545131. The next prime is 545141. The reversal of 545134 is 431545.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136282 + ... + 136285.

It is an arithmetic number, because the mean of its divisors is an integer number (204426).

2⁵⁴⁵¹³⁴ is an apocalyptic number.

545134 is a deficient number, since it is larger than the sum of its proper divisors (272570).

545134 is a wasteful number, since it uses less digits than its factorization.

545134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272569.

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

The square root of 545134 is about 738.3319036856. The cubic root of 545134 is about 81.6897856708.

Adding to 545134 its reverse (431545), we get a palindrome (976679).

The spelling of 545134 in words is "five hundred forty-five thousand, one hundred thirty-four".