545243342545 has 16 divisors (see below), whose sum is σ = 713964578112. Its totient is φ = 396434237760.

The previous prime is 545243342537. The next prime is 545243342573.

It is a happy number.

545243342545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545243342545 - 2³ = 545243342537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545243342495 and 545243342504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122507 + ... + 1533136.

It is an arithmetic number, because the mean of its divisors is an integer number (44622786132).

Almost surely, 2^545243342545 is an apocalyptic number.

545243342545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545243342545 is a deficient number, since it is larger than the sum of its proper divisors (168721235567).

545243342545 is a wasteful number, since it uses less digits than its factorization.

545243342545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659392.

The product of its digits is 5760000, while the sum is 46.

It can be divided in two parts, 545243 and 342545, that added together give a palindrome (887788).

The spelling of 545243342545 in words is "five hundred forty-five billion, two hundred forty-three million, three hundred forty-two thousand, five hundred forty-five".