545332143 has 4 divisors (see below), whose sum is σ = 727109528. Its totient is φ = 363554760.

The previous prime is 545332111. The next prime is 545332147. The reversal of 545332143 is 341233545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545332143 - 2⁵ = 545332111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545332143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545332147) 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, 90888688 + ... + 90888693.

It is an arithmetic number, because the mean of its divisors is an integer number (181777382).

Almost surely, 2^545332143 is an apocalyptic number.

545332143 is a deficient number, since it is larger than the sum of its proper divisors (181777385).

545332143 is a wasteful number, since it uses less digits than its factorization.

545332143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181777384.

The product of its digits is 21600, while the sum is 30.

The square root of 545332143 is about 23352.3476978226. The cubic root of 545332143 is about 816.9968189115.

Adding to 545332143 its reverse (341233545), we get a palindrome (886565688).

The spelling of 545332143 in words is "five hundred forty-five million, three hundred thirty-two thousand, one hundred forty-three".