1144845219 has 8 divisors (see below), whose sum is σ = 1744526080. Its totient is φ = 654197256.

The previous prime is 1144845197. The next prime is 1144845239. The reversal of 1144845219 is 9125484411.

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

It is not a de Polignac number, because 1144845219 - 2⁵ = 1144845187 is a prime.

It is a super-2 number, since 2×1144845219² = 2621341150934315922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144845239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27258199 + ... + 27258240.

It is an arithmetic number, because the mean of its divisors is an integer number (218065760).

Almost surely, 2^1144845219 is an apocalyptic number.

1144845219 is a deficient number, since it is larger than the sum of its proper divisors (599680861).

1144845219 is an equidigital number, since it uses as much as digits as its factorization.

1144845219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54516449.

The product of its digits is 46080, while the sum is 39.

The square root of 1144845219 is about 33835.5614553682. The cubic root of 1144845219 is about 1046.1218141508.

The spelling of 1144845219 in words is "one billion, one hundred forty-four million, eight hundred forty-five thousand, two hundred nineteen".