545042 has 16 divisors (see below), whose sum is σ = 864000. Its totient is φ = 257520.

The previous prime is 545033. The next prime is 545057. The reversal of 545042 is 240545.

It is a happy number.

It is an unprimeable number.

545042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2⁵⁴⁵⁰⁴² is an apocalyptic number.

545042 is a deficient number, since it is larger than the sum of its proper divisors (318958).

545042 is a wasteful number, since it uses less digits than its factorization.

545042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 545042 is about 738.2695984530. The cubic root of 545042 is about 81.6851899304.

Adding to 545042 its reverse (240545), we get a palindrome (785587).

The spelling of 545042 in words is "five hundred forty-five thousand, forty-two".