540162243 has 16 divisors (see below), whose sum is σ = 800948640. Its totient is φ = 359789472.

The previous prime is 540162239. The next prime is 540162247. The reversal of 540162243 is 342261045.

It is an interprime number because it is at equal distance from previous prime (540162239) and next prime (540162247).

It is not a de Polignac number, because 540162243 - 2² = 540162239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (540162247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24505 + ... + 40997.

It is an arithmetic number, because the mean of its divisors is an integer number (50059290).

Almost surely, 2^540162243 is an apocalyptic number.

540162243 is a deficient number, since it is larger than the sum of its proper divisors (260786397).

540162243 is a wasteful number, since it uses less digits than its factorization.

540162243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17715 (or 17709 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 540162243 is about 23241.3907286117. The cubic root of 540162243 is about 814.4068314894.

The spelling of 540162243 in words is "five hundred forty million, one hundred sixty-two thousand, two hundred forty-three".