1445127424 has 72 divisors (see below), whose sum is σ = 3172942080. Its totient is φ = 652720128.

The previous prime is 1445127419. The next prime is 1445127457. The reversal of 1445127424 is 4247215441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445127424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151797 + ... + 161035.

It is an arithmetic number, because the mean of its divisors is an integer number (44068640).

Almost surely, 2^1445127424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445127424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586471040).

1445127424 is an abundant number, since it is smaller than the sum of its proper divisors (1727814656).

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

1445127424 is an equidigital number, since it uses as much as digits as its factorization.

1445127424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315 (or 9301 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 1445127424 is about 38014.8316318776. The cubic root of 1445127424 is about 1130.5819499637.

The spelling of 1445127424 in words is "one billion, four hundred forty-five million, one hundred twenty-seven thousand, four hundred twenty-four".