545042143 has 8 divisors (see below), whose sum is σ = 547709696. Its totient is φ = 542381400.

The previous prime is 545042123. The next prime is 545042161. The reversal of 545042143 is 341240545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545042143 - 2⁵ = 545042111 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 (545042123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227530 + ... + 229912.

It is an arithmetic number, because the mean of its divisors is an integer number (68463712).

Almost surely, 2^545042143 is an apocalyptic number.

545042143 is a deficient number, since it is larger than the sum of its proper divisors (2667553).

545042143 is a wasteful number, since it uses less digits than its factorization.

545042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 545042143 is about 23346.1376463003. The cubic root of 545042143 is about 816.8519707417.

Adding to 545042143 its reverse (341240545), we get a palindrome (886282688).

The spelling of 545042143 in words is "five hundred forty-five million, forty-two thousand, one hundred forty-three".