545444105 has 8 divisors (see below), whose sum is σ = 654658632. Its totient is φ = 436271488.

The previous prime is 545444089. The next prime is 545444117. The reversal of 545444105 is 501444545.

It can be written as a sum of positive squares in 4 ways, for example, as 43191184 + 502252921 = 6572^2 + 22411^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 545444105 - 2⁴ = 545444089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42749 + ... + 54021.

It is an arithmetic number, because the mean of its divisors is an integer number (81832329).

Almost surely, 2^545444105 is an apocalyptic number.

It is an amenable number.

545444105 is a deficient number, since it is larger than the sum of its proper divisors (109214527).

545444105 is a wasteful number, since it uses less digits than its factorization.

545444105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20955.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 545444105 is about 23354.7448069980. The cubic root of 545444105 is about 817.0527275534.

The spelling of 545444105 in words is "five hundred forty-five million, four hundred forty-four thousand, one hundred five".