540181045 has 16 divisors (see below), whose sum is σ = 669892608. Its totient is φ = 417726720.

The previous prime is 540181021. The next prime is 540181051.

540181045 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 540181045 - 2¹⁵ = 540148277 is a prime.

It is a super-2 number, since 2×540181045² = 583591122754584050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199692 + ... + 202378.

It is an arithmetic number, because the mean of its divisors is an integer number (41868288).

Almost surely, 2^540181045 is an apocalyptic number.

It is an amenable number.

540181045 is a deficient number, since it is larger than the sum of its proper divisors (129711563).

540181045 is a wasteful number, since it uses less digits than its factorization.

540181045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 540181045 is about 23241.7952189585. The cubic root of 540181045 is about 814.4162806872.

The spelling of 540181045 in words is "five hundred forty million, one hundred eighty-one thousand, forty-five".