1445194368 has 96 divisors (see below), whose sum is σ = 4189510260. Its totient is φ = 478162944.

The previous prime is 1445194313. The next prime is 1445194379. The reversal of 1445194368 is 8634915441.

It can be written as a sum of positive squares in 2 ways, for example, as 1407150144 + 38044224 = 37512^2 + 6168^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1445194368² = 4177173522597838848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153246 + ... + 162402.

Almost surely, 2^1445194368 is an apocalyptic number.

1445194368 is a gapful number since it is divisible by the number (18) 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 1445194368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094755130).

1445194368 is an abundant number, since it is smaller than the sum of its proper divisors (2744315892).

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

1445194368 is a wasteful number, since it uses less digits than its factorization.

1445194368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314 (or 9299 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1445194368 is about 38015.7121201221. The cubic root of 1445194368 is about 1130.5994073653.

The spelling of 1445194368 in words is "one billion, four hundred forty-five million, one hundred ninety-four thousand, three hundred sixty-eight".