4540665 has 8 divisors (see below), whose sum is σ = 7265088. Its totient is φ = 2421680.

The previous prime is 4540661. The next prime is 4540687. The reversal of 4540665 is 5660454.

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

It is not a de Polignac number, because 4540665 - 2² = 4540661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4540661) 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 7 ways as a sum of consecutive naturals, for example, 151341 + ... + 151370.

It is an arithmetic number, because the mean of its divisors is an integer number (908136).

Almost surely, 2^4540665 is an apocalyptic number.

It is an amenable number.

4540665 is a deficient number, since it is larger than the sum of its proper divisors (2724423).

4540665 is a wasteful number, since it uses less digits than its factorization.

4540665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302719.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 4540665 is about 2130.8836195344. The cubic root of 4540665 is about 165.5921788530.

The spelling of 4540665 in words is "four million, five hundred forty thousand, six hundred sixty-five".