2103244045 has 16 divisors (see below), whose sum is σ = 3036263040. Its totient is φ = 1366317504.

The previous prime is 2103244043. The next prime is 2103244057. The reversal of 2103244045 is 5404423012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2103244045 - 2¹ = 2103244043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103244043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580722 + ... + 1582051.

It is an arithmetic number, because the mean of its divisors is an integer number (189766440).

Almost surely, 2^2103244045 is an apocalyptic number.

It is an amenable number.

2103244045 is a deficient number, since it is larger than the sum of its proper divisors (933018995).

2103244045 is a wasteful number, since it uses less digits than its factorization.

2103244045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162804.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2103244045 is about 45861.1387233243. The cubic root of 2103244045 is about 1281.2382315159.

Adding to 2103244045 its reverse (5404423012), we get a palindrome (7507667057).

It can be divided in two parts, 210324 and 4045, that added together give a square (214369 = 463²).

The spelling of 2103244045 in words is "two billion, one hundred three million, two hundred forty-four thousand, forty-five".