2145282800 has 30 divisors (see below), whose sum is σ = 5154042888. Its totient is φ = 858112960.

The previous prime is 2145282793. The next prime is 2145282803. The reversal of 2145282800 is 82825412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145282803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2681204 + ... + 2682003.

Almost surely, 2^2145282800 is an apocalyptic number.

2145282800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145282800 is an abundant number, since it is smaller than the sum of its proper divisors (3008760088).

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

2145282800 is a wasteful number, since it uses less digits than its factorization.

2145282800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363225 (or 5363214 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 2145282800 is about 46317.1976699800. The cubic root of 2145282800 is about 1289.7182646960.

The spelling of 2145282800 in words is "two billion, one hundred forty-five million, two hundred eighty-two thousand, eight hundred".