540200144 has 30 divisors (see below), whose sum is σ = 1150440690. Its totient is φ = 245544640.

The previous prime is 540200123. The next prime is 540200161. The reversal of 540200144 is 441002045.

It can be written as a sum of positive squares in only one way, i.e., 275161744 + 265038400 = 16588^2 + 16280^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137579 + ... + 141450.

It is an arithmetic number, because the mean of its divisors is an integer number (38348023).

Almost surely, 2^540200144 is an apocalyptic number.

It is an amenable number.

540200144 is an abundant number, since it is smaller than the sum of its proper divisors (610240546).

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

540200144 is a wasteful number, since it uses less digits than its factorization.

540200144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279059 (or 279042 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 540200144 is about 23242.2060915052. The cubic root of 540200144 is about 814.4258789218.

Adding to 540200144 its reverse (441002045), we get a palindrome (981202189).

It can be divided in two parts, 5402001 and 44, that added together give a palindrome (5402045).

The spelling of 540200144 in words is "five hundred forty million, two hundred thousand, one hundred forty-four".