545221202343 has 4 divisors (see below), whose sum is σ = 726961603128. Its totient is φ = 363480801560.

The previous prime is 545221202329. The next prime is 545221202369. The reversal of 545221202343 is 343202122545.

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 545221202343 - 2⁹ = 545221201831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545221207343) 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, 90870200388 + ... + 90870200393.

It is an arithmetic number, because the mean of its divisors is an integer number (181740400782).

Almost surely, 2^545221202343 is an apocalyptic number.

545221202343 is a deficient number, since it is larger than the sum of its proper divisors (181740400785).

545221202343 is a wasteful number, since it uses less digits than its factorization.

545221202343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181740400784.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 545221202343 its reverse (343202122545), we get a palindrome (888423324888).

The spelling of 545221202343 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred two thousand, three hundred forty-three".