545302 has 4 divisors (see below), whose sum is σ = 817956. Its totient is φ = 272650.

The previous prime is 545291. The next prime is 545329. The reversal of 545302 is 203545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203545 = 5 ⋅40709.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 545302.

It is a congruent number.

It is an unprimeable number.

545302 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 136324 + ... + 136327.

It is an arithmetic number, because the mean of its divisors is an integer number (204489).

2⁵⁴⁵³⁰² is an apocalyptic number.

545302 is a deficient number, since it is larger than the sum of its proper divisors (272654).

545302 is a wasteful number, since it uses less digits than its factorization.

545302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272653.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 545302 is about 738.4456648935. The cubic root of 545302 is about 81.6981765585.

Adding to 545302 its reverse (203545), we get a palindrome (748847).

It can be divided in two parts, 54 and 5302, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 545302 in words is "five hundred forty-five thousand, three hundred two".