2245147728 has 80 divisors (see below), whose sum is σ = 5878540416. Its totient is φ = 738316800.

The previous prime is 2245147703. The next prime is 2245147757. The reversal of 2245147728 is 8277415422.

It is a self number, because there is not a number n which added to its sum of digits gives 2245147728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136950 + ... + 1138922.

Almost surely, 2^2245147728 is an apocalyptic number.

It is an amenable number.

2245147728 is an abundant number, since it is smaller than the sum of its proper divisors (3633392688).

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

2245147728 is a wasteful number, since it uses less digits than its factorization.

2245147728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2286 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The square root of 2245147728 is about 47382.9898592311. The cubic root of 2245147728 is about 1309.4280524814.

The spelling of 2245147728 in words is "two billion, two hundred forty-five million, one hundred forty-seven thousand, seven hundred twenty-eight".