1448745728 has 18 divisors (see below), whose sum is σ = 2891832804. Its totient is φ = 724372736.

The previous prime is 1448745707. The next prime is 1448745787. The reversal of 1448745728 is 8275478441.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2829326 + ... + 2829837.

It is an arithmetic number, because the mean of its divisors is an integer number (160657378).

Almost surely, 2^1448745728 is an apocalyptic number.

It is an amenable number.

1448745728 is a deficient number, since it is larger than the sum of its proper divisors (1443087076).

1448745728 is an frugal number, since it uses more digits than its factorization.

1448745728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659179 (or 5659165 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 50.

The square root of 1448745728 is about 38062.3925679929. The cubic root of 1448745728 is about 1131.5247456642.

The spelling of 1448745728 in words is "one billion, four hundred forty-eight million, seven hundred forty-five thousand, seven hundred twenty-eight".