5545143 has 12 divisors (see below), whose sum is σ = 8030880. Its totient is φ = 3686976.

The previous prime is 5545123. The next prime is 5545193. The reversal of 5545143 is 3415455.

It is not a de Polignac number, because 5545143 - 2⁹ = 5544631 is a prime.

It is a super-3 number, since 3×5545143³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

5545143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545123) 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 11 ways as a sum of consecutive naturals, for example, 4818 + ... + 5856.

It is an arithmetic number, because the mean of its divisors is an integer number (669240).

Almost surely, 2^5545143 is an apocalyptic number.

5545143 is a deficient number, since it is larger than the sum of its proper divisors (2485737).

5545143 is a wasteful number, since it uses less digits than its factorization.

5545143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1635 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 5545143 is about 2354.8127314077. The cubic root of 5545143 is about 176.9990424156. Note that the first 3 decimals are identical.

The spelling of 5545143 in words is "five million, five hundred forty-five thousand, one hundred forty-three".