2102452245 has 24 divisors (see below), whose sum is σ = 3658127616. Its totient is φ = 1117038048.

The previous prime is 2102452229. The next prime is 2102452249. The reversal of 2102452245 is 5422542012.

It is not a de Polignac number, because 2102452245 - 2⁴ = 2102452229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102452249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76989 + ... + 100658.

It is an arithmetic number, because the mean of its divisors is an integer number (152421984).

Almost surely, 2^2102452245 is an apocalyptic number.

It is an amenable number.

2102452245 is a deficient number, since it is larger than the sum of its proper divisors (1555675371).

2102452245 is a wasteful number, since it uses less digits than its factorization.

2102452245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177921 (or 177918 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2102452245 is about 45852.5053295891. The cubic root of 2102452245 is about 1281.0774304323.

Adding to 2102452245 its reverse (5422542012), we get a palindrome (7524994257).

The spelling of 2102452245 in words is "two billion, one hundred two million, four hundred fifty-two thousand, two hundred forty-five".