1445009718 has 8 divisors (see below), whose sum is σ = 2890019448. Its totient is φ = 481669904.

The previous prime is 1445009701. The next prime is 1445009723. The reversal of 1445009718 is 8179005441.

It is a sphenic number, since it is the product of 3 distinct primes.

1445009718 is an admirable number.

It is a super-2 number, since 2×1445009718² = 4176106170228879048, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 120417471 + ... + 120417482.

It is an arithmetic number, because the mean of its divisors is an integer number (361252431).

Almost surely, 2^1445009718 is an apocalyptic number.

1445009718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1445009718 is a wasteful number, since it uses less digits than its factorization.

1445009718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240834958.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1445009718 is about 38013.2834414498. The cubic root of 1445009718 is about 1130.5512537335.

The spelling of 1445009718 in words is "one billion, four hundred forty-five million, nine thousand, seven hundred eighteen".