1447144446 has 64 divisors (see below), whose sum is σ = 3309901056. Its totient is φ = 417849600.

The previous prime is 1447144441. The next prime is 1447144459. The reversal of 1447144446 is 6444417441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447144441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110140 + ... + 122576.

It is an arithmetic number, because the mean of its divisors is an integer number (51717204).

Almost surely, 2^1447144446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447144446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654950528).

1447144446 is an abundant number, since it is smaller than the sum of its proper divisors (1862756610).

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

1447144446 is a wasteful number, since it uses less digits than its factorization.

1447144446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12537.

The product of its digits is 172032, while the sum is 39.

The square root of 1447144446 is about 38041.3517898615. The cubic root of 1447144446 is about 1131.1077048781.

The spelling of 1447144446 in words is "one billion, four hundred forty-seven million, one hundred forty-four thousand, four hundred forty-six".