540051745 has 4 divisors (see below), whose sum is σ = 648062100. Its totient is φ = 432041392.

The previous prime is 540051739. The next prime is 540051769. The reversal of 540051745 is 547150045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 337530384 + 202521361 = 18372^2 + 14231^2 .

It is a cyclic number.

It is not a de Polignac number, because 540051745 - 2²⁷ = 405834017 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54005170 + ... + 54005179.

It is an arithmetic number, because the mean of its divisors is an integer number (162015525).

Almost surely, 2^540051745 is an apocalyptic number.

It is an amenable number.

540051745 is a deficient number, since it is larger than the sum of its proper divisors (108010355).

540051745 is a wasteful number, since it uses less digits than its factorization.

540051745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108010354.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 540051745 is about 23239.0134257029. The cubic root of 540051745 is about 814.3512948032.

The spelling of 540051745 in words is "five hundred forty million, fifty-one thousand, seven hundred forty-five".