1144215299 has 2 divisors, whose sum is σ = 1144215300. Its totient is φ = 1144215298.

The previous prime is 1144215229. The next prime is 1144215323. The reversal of 1144215299 is 9925124411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144215299 - 2⁸ = 1144215043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144215229) by changing a digit.

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 as a sum of consecutive naturals, namely, 572107649 + 572107650.

It is an arithmetic number, because the mean of its divisors is an integer number (572107650).

Almost surely, 2^1144215299 is an apocalyptic number.

1144215299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144215299 is an equidigital number, since it uses as much as digits as its factorization.

1144215299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 1144215299 is about 33826.2516250323. The cubic root of 1144215299 is about 1045.9299122413.

The spelling of 1144215299 in words is "one billion, one hundred forty-four million, two hundred fifteen thousand, two hundred ninety-nine".