540543144 has 32 divisors (see below), whose sum is σ = 1367644320. Its totient is φ = 178009536.

The previous prime is 540543127. The next prime is 540543149. The reversal of 540543144 is 441345045.

It is not an unprimeable number, because it can be changed into a prime (540543149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133687 + ... + 137670.

It is an arithmetic number, because the mean of its divisors is an integer number (42738885).

Almost surely, 2^540543144 is an apocalyptic number.

It is an amenable number.

540543144 is an abundant number, since it is smaller than the sum of its proper divisors (827101176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540543144 is a wasteful number, since it uses less digits than its factorization.

540543144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271449 (or 271445 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 540543144 is about 23249.5837382092. The cubic root of 540543144 is about 814.5982156483.

Adding to 540543144 its reverse (441345045), we get a palindrome (981888189).

The spelling of 540543144 in words is "five hundred forty million, five hundred forty-three thousand, one hundred forty-four".