540145111 has 16 divisors (see below), whose sum is σ = 605719296. Its totient is φ = 477400000.

The previous prime is 540145093. The next prime is 540145117. The reversal of 540145111 is 111541045.

It is a happy number.

It is not a de Polignac number, because 540145111 - 2⁹ = 540144599 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 (540145117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138336 + ... + 142186.

It is an arithmetic number, because the mean of its divisors is an integer number (37857456).

Almost surely, 2^540145111 is an apocalyptic number.

540145111 is a deficient number, since it is larger than the sum of its proper divisors (65574185).

540145111 is a wasteful number, since it uses less digits than its factorization.

540145111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 540145111 is about 23241.0221591048. The cubic root of 540145111 is about 814.3982213817.

Adding to 540145111 its reverse (111541045), we get a palindrome (651686156).

The spelling of 540145111 in words is "five hundred forty million, one hundred forty-five thousand, one hundred eleven".