1448773443 has 24 divisors (see below), whose sum is σ = 2314563888. Its totient is φ = 867454272.

The previous prime is 1448773423. The next prime is 1448773451. The reversal of 1448773443 is 3443778441.

It is not a de Polignac number, because 1448773443 - 2⁵ = 1448773411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1448773423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163005 + ... + 171662.

It is an arithmetic number, because the mean of its divisors is an integer number (96440162).

Almost surely, 2^1448773443 is an apocalyptic number.

1448773443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1448773443 is a deficient number, since it is larger than the sum of its proper divisors (865790445).

1448773443 is a wasteful number, since it uses less digits than its factorization.

1448773443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334723 (or 334720 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 1448773443 is about 38062.7566395289. The cubic root of 1448773443 is about 1131.5319611030.

The spelling of 1448773443 in words is "one billion, four hundred forty-eight million, seven hundred seventy-three thousand, four hundred forty-three".