2145202260 has 48 divisors (see below), whose sum is σ = 6027838656. Its totient is φ = 570028032.

The previous prime is 2145202237. The next prime is 2145202271. The reversal of 2145202260 is 622025412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145202260.

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, 46189 + ... + 80148.

It is an arithmetic number, because the mean of its divisors is an integer number (125579972).

Almost surely, 2^2145202260 is an apocalyptic number.

2145202260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145202260 is an abundant number, since it is smaller than the sum of its proper divisors (3882636396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145202260 is a wasteful number, since it uses less digits than its factorization.

2145202260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126632 (or 126630 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2145202260 is about 46316.3282223451. The cubic root of 2145202260 is about 1289.7021246003.

Adding to 2145202260 its reverse (622025412), we get a palindrome (2767227672).

The spelling of 2145202260 in words is "two billion, one hundred forty-five million, two hundred two thousand, two hundred sixty".