545899103 has 4 divisors (see below), whose sum is σ = 564723240. Its totient is φ = 527074968.

The previous prime is 545899069. The next prime is 545899129. The reversal of 545899103 is 301998545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301998545 = 5 ⋅60399709.

It is a cyclic number.

It is not a de Polignac number, because 545899103 - 2¹⁰ = 545898079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545899153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9412025 + ... + 9412082.

It is an arithmetic number, because the mean of its divisors is an integer number (141180810).

Almost surely, 2^545899103 is an apocalyptic number.

545899103 is a deficient number, since it is larger than the sum of its proper divisors (18824137).

545899103 is a wasteful number, since it uses less digits than its factorization.

545899103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18824136.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 545899103 is about 23364.4837948541. The cubic root of 545899103 is about 817.2798538105.

The spelling of 545899103 in words is "five hundred forty-five million, eight hundred ninety-nine thousand, one hundred three".