540701545 has 4 divisors (see below), whose sum is σ = 648841860. Its totient is φ = 432561232.

The previous prime is 540701543. The next prime is 540701561. The reversal of 540701545 is 545107045.

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 159163456 + 381538089 = 12616^2 + 19533^2 .

It is a cyclic number.

It is not a de Polignac number, because 540701545 - 2¹ = 540701543 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 not an unprimeable number, because it can be changed into a prime (540701543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54070150 + ... + 54070159.

It is an arithmetic number, because the mean of its divisors is an integer number (162210465).

Almost surely, 2^540701545 is an apocalyptic number.

It is an amenable number.

540701545 is a deficient number, since it is larger than the sum of its proper divisors (108140315).

540701545 is a wasteful number, since it uses less digits than its factorization.

540701545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108140314.

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

The square root of 540701545 is about 23252.9900227906. The cubic root of 540701545 is about 814.6777779499.

The spelling of 540701545 in words is "five hundred forty million, seven hundred one thousand, five hundred forty-five".