545243312455 has 16 divisors (see below), whose sum is σ = 689463542880. Its totient is φ = 412795948032.

The previous prime is 545243312431. The next prime is 545243312461. The reversal of 545243312455 is 554213342545.

It is not a de Polignac number, because 545243312455 - 2⁵ = 545243312423 is a prime.

It is a congruent number.

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, 2973634 + ... + 3151663.

It is an arithmetic number, because the mean of its divisors is an integer number (43091471430).

Almost surely, 2^545243312455 is an apocalyptic number.

545243312455 is a deficient number, since it is larger than the sum of its proper divisors (144220230425).

545243312455 is a wasteful number, since it uses less digits than its factorization.

545243312455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126258.

The product of its digits is 1440000, while the sum is 43.

The spelling of 545243312455 in words is "five hundred forty-five billion, two hundred forty-three million, three hundred twelve thousand, four hundred fifty-five".