4540445 has 32 divisors (see below), whose sum is σ = 7112448. Its totient is φ = 2700288.

The previous prime is 4540439. The next prime is 4540469. The reversal of 4540445 is 5440454.

It is a cyclic number.

It is not a de Polignac number, because 4540445 - 2⁴ = 4540429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7442 + ... + 8028.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

Almost surely, 2^4540445 is an apocalyptic number.

It is an amenable number.

4540445 is a deficient number, since it is larger than the sum of its proper divisors (2572003).

4540445 is a wasteful number, since it uses less digits than its factorization.

4540445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4540445 is about 2130.8319971316. The cubic root of 4540445 is about 165.5895044380.

Adding to 4540445 its reverse (5440454), we get a palindrome (9980899).

Subtracting 4540445 from its reverse (5440454), we obtain a palindrome (900009).

The spelling of 4540445 in words is "four million, five hundred forty thousand, four hundred forty-five".