545043103 has 16 divisors (see below), whose sum is σ = 644219136. Its totient is φ = 455495040.

The previous prime is 545043091. The next prime is 545043119. The reversal of 545043103 is 301340545.

It is not a de Polignac number, because 545043103 - 2²¹ = 542945951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545043133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25851 + ... + 41932.

It is an arithmetic number, because the mean of its divisors is an integer number (40263696).

Almost surely, 2^545043103 is an apocalyptic number.

545043103 is a deficient number, since it is larger than the sum of its proper divisors (99176033).

545043103 is a wasteful number, since it uses less digits than its factorization.

545043103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67854.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 545043103 is about 23346.1582064373. The cubic root of 545043103 is about 816.8524503239.

Adding to 545043103 its reverse (301340545), we get a palindrome (846383648).

The spelling of 545043103 in words is "five hundred forty-five million, forty-three thousand, one hundred three".