545215366454 has 8 divisors (see below), whose sum is σ = 892170599688. Its totient is φ = 247825166560.

The previous prime is 545215366393. The next prime is 545215366559. The reversal of 545215366454 is 454663512545.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12391258307 + ... + 12391258350.

It is an arithmetic number, because the mean of its divisors is an integer number (111521324961).

Almost surely, 2^545215366454 is an apocalyptic number.

545215366454 is a deficient number, since it is larger than the sum of its proper divisors (346955233234).

545215366454 is a wasteful number, since it uses less digits than its factorization.

545215366454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24782516670.

The product of its digits is 8640000, while the sum is 50.

Adding to 545215366454 its reverse (454663512545), we get a palindrome (999878878999).

The spelling of 545215366454 in words is "five hundred forty-five billion, two hundred fifteen million, three hundred sixty-six thousand, four hundred fifty-four".