545226143 has 8 divisors (see below), whose sum is σ = 679762560. Its totient is φ = 424851480.

The previous prime is 545226137. The next prime is 545226151. The reversal of 545226143 is 341622545.

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 545226143 - 2¹⁰ = 545225119 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 (545226173) 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, 3540353 + ... + 3540506.

It is an arithmetic number, because the mean of its divisors is an integer number (84970320).

Almost surely, 2^545226143 is an apocalyptic number.

545226143 is a deficient number, since it is larger than the sum of its proper divisors (134536417).

545226143 is a wasteful number, since it uses less digits than its factorization.

545226143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080877.

The product of its digits is 28800, while the sum is 32.

The square root of 545226143 is about 23350.0780084350. The cubic root of 545226143 is about 816.9438803641.

Adding to 545226143 its reverse (341622545), we get a palindrome (886848688).

The spelling of 545226143 in words is "five hundred forty-five million, two hundred twenty-six thousand, one hundred forty-three".