1447945444 has 48 divisors (see below), whose sum is σ = 2797958016. Its totient is φ = 650188800.

The previous prime is 1447945441. The next prime is 1447945487. The reversal of 1447945444 is 4445497441.

It is a junction number, because it is equal to n+sod(n) for n = 1447945394 and 1447945403.

It is not an unprimeable number, because it can be changed into a prime (1447945441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417654 + ... + 1418674.

It is an arithmetic number, because the mean of its divisors is an integer number (58290792).

Almost surely, 2^1447945444 is an apocalyptic number.

It is an amenable number.

1447945444 is a deficient number, since it is larger than the sum of its proper divisors (1350012572).

1447945444 is a wasteful number, since it uses less digits than its factorization.

1447945444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1394 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 1447945444 is about 38051.8783242037. The cubic root of 1447945444 is about 1131.3163566827.

The spelling of 1447945444 in words is "one billion, four hundred forty-seven million, nine hundred forty-five thousand, four hundred forty-four".