1448648775 has 72 divisors (see below), whose sum is σ = 2985746400. Its totient is φ = 657688320.

The previous prime is 1448648701. The next prime is 1448648797. The reversal of 1448648775 is 5778468441.

1448648775 is a `hidden beast` number, since 14 + 4 + 86 + 487 + 75 = 666.

It is not a de Polignac number, because 1448648775 - 2⁸ = 1448648519 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 71 ways as a sum of consecutive naturals, for example, 231589 + ... + 237761.

It is an arithmetic number, because the mean of its divisors is an integer number (41468700).

Almost surely, 2^1448648775 is an apocalyptic number.

1448648775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1448648775 is an abundant number, since it is smaller than the sum of its proper divisors (1537097625).

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

1448648775 is a wasteful number, since it uses less digits than its factorization.

1448648775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345 (or 6337 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 1448648775 is about 38061.1189404621. The cubic root of 1448648775 is about 1131.4995037915.

The spelling of 1448648775 in words is "one billion, four hundred forty-eight million, six hundred forty-eight thousand, seven hundred seventy-five".