545254501343 has 4 divisors (see below), whose sum is σ = 546513750048. Its totient is φ = 543995252640.

The previous prime is 545254501313. The next prime is 545254501367. The reversal of 545254501343 is 343105452545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343105452545 = 5 ⋅68621090509.

It is a cyclic number.

It is not a de Polignac number, because 545254501343 - 2²⁸ = 544986065887 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 545254501343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545254501313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629623703 + ... + 629624568.

It is an arithmetic number, because the mean of its divisors is an integer number (136628437512).

Almost surely, 2^545254501343 is an apocalyptic number.

545254501343 is a deficient number, since it is larger than the sum of its proper divisors (1259248705).

545254501343 is a wasteful number, since it uses less digits than its factorization.

545254501343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259248704.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 545254501343 its reverse (343105452545), we get a palindrome (888359953888).

The spelling of 545254501343 in words is "five hundred forty-five billion, two hundred fifty-four million, five hundred one thousand, three hundred forty-three".