1445227145 has 8 divisors (see below), whose sum is σ = 1737723456. Its totient is φ = 1153881136.

The previous prime is 1445227109. The next prime is 1445227169. The reversal of 1445227145 is 5417225441.

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

It is a cyclic number.

It is not a de Polignac number, because 1445227145 - 2¹⁰ = 1445226121 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 284807 + ... + 289836.

It is an arithmetic number, because the mean of its divisors is an integer number (217215432).

Almost surely, 2^1445227145 is an apocalyptic number.

It is an amenable number.

1445227145 is a deficient number, since it is larger than the sum of its proper divisors (292496311).

1445227145 is an equidigital number, since it uses as much as digits as its factorization.

1445227145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575151.

The product of its digits is 44800, while the sum is 35.

The square root of 1445227145 is about 38016.1432157445. The cubic root of 1445227145 is about 1130.6079546301.

The spelling of 1445227145 in words is "one billion, four hundred forty-five million, two hundred twenty-seven thousand, one hundred forty-five".