4244545 has 4 divisors (see below), whose sum is σ = 5093460. Its totient is φ = 3395632.

The previous prime is 4244533. The next prime is 4244549. The reversal of 4244545 is 5454424.

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 430336 + 3814209 = 656^2 + 1953^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244545 - 2⁷ = 4244417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4244549) 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, 424450 + ... + 424459.

It is an arithmetic number, because the mean of its divisors is an integer number (1273365).

Almost surely, 2^4244545 is an apocalyptic number.

It is an amenable number.

4244545 is a deficient number, since it is larger than the sum of its proper divisors (848915).

4244545 is an equidigital number, since it uses as much as digits as its factorization.

4244545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848914.

The product of its digits is 12800, while the sum is 28.

The square root of 4244545 is about 2060.2293561640. The cubic root of 4244545 is about 161.9112581084.

Adding to 4244545 its reverse (5454424), we get a palindrome (9698969).

The spelling of 4244545 in words is "four million, two hundred forty-four thousand, five hundred forty-five".