545351103943 has 16 divisors (see below), whose sum is σ = 550647175680. Its totient is φ = 540076413600.

The previous prime is 545351103931. The next prime is 545351103953. The reversal of 545351103943 is 349301153545.

It is a cyclic number.

It is not a de Polignac number, because 545351103943 - 2⁵ = 545351103911 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 545351103943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545351103953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124195278 + ... + 124199668.

It is an arithmetic number, because the mean of its divisors is an integer number (34415448480).

Almost surely, 2^545351103943 is an apocalyptic number.

545351103943 is a deficient number, since it is larger than the sum of its proper divisors (5296071737).

545351103943 is a wasteful number, since it uses less digits than its factorization.

545351103943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 545351103943 in words is "five hundred forty-five billion, three hundred fifty-one million, one hundred three thousand, nine hundred forty-three".