540143524 has 6 divisors (see below), whose sum is σ = 945251174. Its totient is φ = 270071760.

The previous prime is 540143519. The next prime is 540143551. The reversal of 540143524 is 425341045.

It can be written as a sum of positive squares in only one way, i.e., 500327424 + 39816100 = 22368^2 + 6310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 540143492 and 540143501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67517937 + ... + 67517944.

Almost surely, 2^540143524 is an apocalyptic number.

It is an amenable number.

540143524 is a deficient number, since it is larger than the sum of its proper divisors (405107650).

540143524 is a wasteful number, since it uses less digits than its factorization.

540143524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135035885 (or 135035883 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 540143524 is about 23240.9880168637. The cubic root of 540143524 is about 814.3974237866.

Adding to 540143524 its reverse (425341045), we get a palindrome (965484569).

The spelling of 540143524 in words is "five hundred forty million, one hundred forty-three thousand, five hundred twenty-four".