545254 has 8 divisors (see below), whose sum is σ = 822168. Its totient is φ = 271200.

The previous prime is 545239. The next prime is 545257. The reversal of 545254 is 452545.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (102771).

2⁵⁴⁵²⁵⁴ is an apocalyptic number.

545254 is a deficient number, since it is larger than the sum of its proper divisors (276914).

545254 is a wasteful number, since it uses less digits than its factorization.

545254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its digits is 4000, while the sum is 25.

The square root of 545254 is about 738.4131634796. The cubic root of 545254 is about 81.6957793379.

Adding to 545254 its reverse (452545), we get a palindrome (997799).

The spelling of 545254 in words is "five hundred forty-five thousand, two hundred fifty-four".