540505045 has 8 divisors (see below), whose sum is σ = 670971960. Its totient is φ = 417493440.

The previous prime is 540505033. The next prime is 540505051.

540505045 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 154107396 + 386397649 = 12414^2 + 19657^2 .

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

It is not a de Polignac number, because 540505045 - 2¹¹ = 540502997 is a prime.

It is a congruent 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, 1863666 + ... + 1863955.

It is an arithmetic number, because the mean of its divisors is an integer number (83871495).

Almost surely, 2^540505045 is an apocalyptic number.

It is an amenable number.

540505045 is a deficient number, since it is larger than the sum of its proper divisors (130466915).

540505045 is a wasteful number, since it uses less digits than its factorization.

540505045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727655.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 540505045 is about 23248.7643757684. The cubic root of 540505045 is about 814.5790768080.

Adding to 540505045 its product of nonzero digits (10000), we get a palindrome (540515045).

It can be divided in two parts, 54050 and 5045, that added together give a palindrome (59095).

The spelling of 540505045 in words is "five hundred forty million, five hundred five thousand, forty-five".