545213322143 has 4 divisors (see below), whose sum is σ = 623100939600. Its totient is φ = 467325704688.

The previous prime is 545213322077. The next prime is 545213322161. The reversal of 545213322143 is 341223312545.

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

It is a cyclic number.

It is not a de Polignac number, because 545213322143 - 2¹⁸ = 545213059999 is a prime.

It is a super-2 number, since 2×545213322143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545213322343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38943808718 + ... + 38943808731.

It is an arithmetic number, because the mean of its divisors is an integer number (155775234900).

Almost surely, 2^545213322143 is an apocalyptic number.

545213322143 is a deficient number, since it is larger than the sum of its proper divisors (77887617457).

545213322143 is an equidigital number, since it uses as much as digits as its factorization.

545213322143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77887617456.

The product of its digits is 86400, while the sum is 35.

Adding to 545213322143 its reverse (341223312545), we get a palindrome (886436634688).

The spelling of 545213322143 in words is "five hundred forty-five billion, two hundred thirteen million, three hundred twenty-two thousand, one hundred forty-three".