545038 has 8 divisors (see below), whose sum is σ = 880488. Its totient is φ = 251544.

The previous prime is 545033. The next prime is 545057. The reversal of 545038 is 830545.

It is a happy number.

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 (545033) by changing a digit.

545038 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 in 3 ways as a sum of consecutive naturals, for example, 10456 + ... + 10507.

It is an arithmetic number, because the mean of its divisors is an integer number (110061).

2⁵⁴⁵⁰³⁸ is an apocalyptic number.

545038 is a deficient number, since it is larger than the sum of its proper divisors (335450).

545038 is a wasteful number, since it uses less digits than its factorization.

545038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20978.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 545038 is about 738.2668894106. The cubic root of 545038 is about 81.6849901039.

The spelling of 545038 in words is "five hundred forty-five thousand, thirty-eight".