2044545 has 8 divisors (see below), whose sum is σ = 3271296. Its totient is φ = 1090416.

The previous prime is 2044541. The next prime is 2044561. The reversal of 2044545 is 5454402.

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

It is not a de Polignac number, because 2044545 - 2² = 2044541 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2044541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68137 + ... + 68166.

It is an arithmetic number, because the mean of its divisors is an integer number (408912).

2^2044545 is an apocalyptic number.

It is an amenable number.

2044545 is a deficient number, since it is larger than the sum of its proper divisors (1226751).

2044545 is a wasteful number, since it uses less digits than its factorization.

2044545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136311.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2044545 is about 1429.8758687383. The cubic root of 2044545 is about 126.9206315839.

Adding to 2044545 its reverse (5454402), we get a palindrome (7498947).

The spelling of 2044545 in words is "two million, forty-four thousand, five hundred forty-five".