4546445 has 4 divisors (see below), whose sum is σ = 5455740. Its totient is φ = 3637152.

The previous prime is 4546427. The next prime is 4546447. The reversal of 4546445 is 5446454.

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 1976836 + 2569609 = 1406^2 + 1603^2 .

It is a cyclic number.

It is not a de Polignac number, because 4546445 - 2¹⁶ = 4480909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4546447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454640 + ... + 454649.

It is an arithmetic number, because the mean of its divisors is an integer number (1363935).

Almost surely, 2^4546445 is an apocalyptic number.

It is an amenable number.

4546445 is a deficient number, since it is larger than the sum of its proper divisors (909295).

4546445 is an equidigital number, since it uses as much as digits as its factorization.

4546445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909294.

The product of its digits is 38400, while the sum is 32.

The square root of 4546445 is about 2132.2394330844. The cubic root of 4546445 is about 165.6624121015.

Subtracting 4546445 from its reverse (5446454), we obtain a palindrome (900009).

The spelling of 4546445 in words is "four million, five hundred forty-six thousand, four hundred forty-five".