2444545 has 4 divisors (see below), whose sum is σ = 2933460. Its totient is φ = 1955632.

The previous prime is 2444537. The next prime is 2444557. The reversal of 2444545 is 5454442.

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 1115136 + 1329409 = 1056^2 + 1153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444545 - 2³ = 2444537 is a prime.

It is a plaindrome in base 13 and base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244450 + ... + 244459.

It is an arithmetic number, because the mean of its divisors is an integer number (733365).

2^2444545 is an apocalyptic number.

It is an amenable number.

2444545 is a deficient number, since it is larger than the sum of its proper divisors (488915).

2444545 is an equidigital number, since it uses as much as digits as its factorization.

2444545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488914.

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

The square root of 2444545 is about 1563.5040773852. The cubic root of 2444545 is about 134.7098477945.

Adding to 2444545 its reverse (5454442), we get a palindrome (7898987).

The spelling of 2444545 in words is "two million, four hundred forty-four thousand, five hundred forty-five".