545452 has 12 divisors (see below), whose sum is σ = 1004920. Its totient is φ = 258336.

The previous prime is 545449. The next prime is 545473. The reversal of 545452 is 254545.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513 + ... + 3664.

2⁵⁴⁵⁴⁵² is an apocalyptic number.

It is an amenable number.

545452 is a deficient number, since it is larger than the sum of its proper divisors (459468).

545452 is a wasteful number, since it uses less digits than its factorization.

545452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200 (or 7198 counting only the distinct ones).

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

The square root of 545452 is about 738.5472225931. The cubic root of 545452 is about 81.7056669662.

Adding to 545452 its reverse (254545), we get a palindrome (799997).

The spelling of 545452 in words is "five hundred forty-five thousand, four hundred fifty-two".