545330 has 16 divisors (see below), whose sum is σ = 1024704. Its totient is φ = 208560.

The previous prime is 545329. The next prime is 545371. The reversal of 545330 is 33545.

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, 956 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (64044).

2⁵⁴⁵³³⁰ is an apocalyptic number.

545330 is a deficient number, since it is larger than the sum of its proper divisors (479374).

545330 is a wasteful number, since it uses less digits than its factorization.

545330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 545330 is about 738.4646233910. The cubic root of 545330 is about 81.6995748722.

Adding to 545330 its reverse (33545), we get a palindrome (578875).

The spelling of 545330 in words is "five hundred forty-five thousand, three hundred thirty".