540052045 has 8 divisors (see below), whose sum is σ = 697913496. Its totient is φ = 398807616.

The previous prime is 540052031. The next prime is 540052081. The reversal of 540052045 is 540250045.

It can be written as a sum of positive squares in 4 ways, for example, as 88021924 + 452030121 = 9382^2 + 21261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540052045 - 2⁷ = 540051917 is a prime.

It is a super-2 number, since 2×540052045² = 583312422617364050, 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 7 ways as a sum of consecutive naturals, for example, 4154182 + ... + 4154311.

It is an arithmetic number, because the mean of its divisors is an integer number (87239187).

Almost surely, 2^540052045 is an apocalyptic number.

It is an amenable number.

540052045 is a deficient number, since it is larger than the sum of its proper divisors (157861451).

540052045 is a wasteful number, since it uses less digits than its factorization.

540052045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308511.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 540052045 is about 23239.0198803650. The cubic root of 540052045 is about 814.3514455945.

The spelling of 540052045 in words is "five hundred forty million, fifty-two thousand, forty-five".