2103435445 has 16 divisors (see below), whose sum is σ = 2635846272. Its totient is φ = 1608376000.

The previous prime is 2103435427. The next prime is 2103435461. The reversal of 2103435445 is 5445343012.

It is not a de Polignac number, because 2103435445 - 2⁹ = 2103434933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165570 + ... + 177820.

It is an arithmetic number, because the mean of its divisors is an integer number (164740392).

Almost surely, 2^2103435445 is an apocalyptic number.

It is an amenable number.

2103435445 is a deficient number, since it is larger than the sum of its proper divisors (532410827).

2103435445 is a wasteful number, since it uses less digits than its factorization.

2103435445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2103435445 is about 45863.2254099077. The cubic root of 2103435445 is about 1281.2770955364.

Adding to 2103435445 its reverse (5445343012), we get a palindrome (7548778457).

The spelling of 2103435445 in words is "two billion, one hundred three million, four hundred thirty-five thousand, four hundred forty-five".