2103002645 has 8 divisors (see below), whose sum is σ = 2605009920. Its totient is φ = 1628130960.

The previous prime is 2103002617. The next prime is 2103002647. The reversal of 2103002645 is 5462003012.

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

It is not a de Polignac number, because 2103002645 - 2¹⁴ = 2102986261 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103002645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103002647) 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, 6783725 + ... + 6784034.

It is an arithmetic number, because the mean of its divisors is an integer number (325626240).

Almost surely, 2^2103002645 is an apocalyptic number.

It is an amenable number.

2103002645 is a deficient number, since it is larger than the sum of its proper divisors (502007275).

2103002645 is a wasteful number, since it uses less digits than its factorization.

2103002645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13567795.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2103002645 is about 45858.5067899076. The cubic root of 2103002645 is about 1281.1892115677.

Adding to 2103002645 its reverse (5462003012), we get a palindrome (7565005657).

The spelling of 2103002645 in words is "two billion, one hundred three million, two thousand, six hundred forty-five".