1445054223424 has 112 divisors (see below), whose sum is σ = 3392255782912. Its totient is φ = 597825349632.

The previous prime is 1445054223407. The next prime is 1445054223443. The reversal of 1445054223424 is 4243224505441.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761934 + ... + 2448370.

Almost surely, 2^{1445054223424} is an apocalyptic number.

1445054223424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445054223424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696127891456).

1445054223424 is an abundant number, since it is smaller than the sum of its proper divisors (1947201559488).

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

1445054223424 is a wasteful number, since it uses less digits than its factorization.

1445054223424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686620 (or 686610 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 1445054223424 its reverse (4243224505441), we get a palindrome (5688278728865).

The spelling of 1445054223424 in words is "one trillion, four hundred forty-five billion, fifty-four million, two hundred twenty-three thousand, four hundred twenty-four".