545323540541 has 4 divisors (see below), whose sum is σ = 587271505212. Its totient is φ = 503375575872.

The previous prime is 545323540511. The next prime is 545323540547. The reversal of 545323540541 is 145045323545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216569236900 + 328754303641 = 465370^2 + 573371^2 .

It is not a de Polignac number, because 545323540541 - 2¹⁸ = 545323278397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545323540547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20973982316 + ... + 20973982341.

It is an arithmetic number, because the mean of its divisors is an integer number (146817876303).

Almost surely, 2^545323540541 is an apocalyptic number.

It is an amenable number.

545323540541 is a deficient number, since it is larger than the sum of its proper divisors (41947964671).

545323540541 is a wasteful number, since it uses less digits than its factorization.

545323540541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41947964670.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 545323540541 in words is "five hundred forty-five billion, three hundred twenty-three million, five hundred forty thousand, five hundred forty-one".