545440543045 has 8 divisors (see below), whose sum is σ = 654584242680. Its totient is φ = 436315373760.

The previous prime is 545440543033. The next prime is 545440543049. The reversal of 545440543045 is 540345044545.

It can be written as a sum of positive squares in 4 ways, for example, as 4849451044 + 540591092001 = 69638^2 + 735249^2 .

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

It is not a de Polignac number, because 545440543045 - 2¹⁷ = 545440411973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545440542992 and 545440543010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545440543049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4567746 + ... + 4685635.

It is an arithmetic number, because the mean of its divisors is an integer number (81823030335).

Almost surely, 2^545440543045 is an apocalyptic number.

It is an amenable number.

545440543045 is a deficient number, since it is larger than the sum of its proper divisors (109143699635).

545440543045 is a wasteful number, since it uses less digits than its factorization.

545440543045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265175.

The product of its (nonzero) digits is 1920000, while the sum is 43.

The spelling of 545440543045 in words is "five hundred forty-five billion, four hundred forty million, five hundred forty-three thousand, forty-five".