540155 has 32 divisors (see below), whose sum is σ = 857088. Its totient is φ = 316800.

The previous prime is 540149. The next prime is 540157. The reversal of 540155 is 551045.

It is not a de Polignac number, because 540155 - 2⁴ = 540139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8825 + ... + 8885.

It is an arithmetic number, because the mean of its divisors is an integer number (26784).

2⁵⁴⁰¹⁵⁵ is an apocalyptic number.

540155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

540155 is a deficient number, since it is larger than the sum of its proper divisors (316933).

540155 is a wasteful number, since it uses less digits than its factorization.

540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 540155 is about 734.9523794097. The cubic root of 540155 is about 81.4403191364.

The spelling of 540155 in words is "five hundred forty thousand, one hundred fifty-five".