1445335320 has 576 divisors, whose sum is σ = 5607705600. Its totient is φ = 296524800.

The previous prime is 1445335319. The next prime is 1445335327. The reversal of 1445335320 is 235335441.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445335327) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 46623705 + ... + 46623735.

It is an arithmetic number, because the mean of its divisors is an integer number (9735600).

Almost surely, 2^1445335320 is an apocalyptic number.

1445335320 is a gapful number since it is divisible by the number (10) 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 1445335320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803852800).

1445335320 is an abundant number, since it is smaller than the sum of its proper divisors (4162370280).

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

1445335320 is a wasteful number, since it uses less digits than its factorization.

1445335320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1445335320 is about 38017.5659399704. The cubic root of 1445335320 is about 1130.6361625291.

The spelling of 1445335320 in words is "one billion, four hundred forty-five million, three hundred thirty-five thousand, three hundred twenty".