1148498243 has 2 divisors, whose sum is σ = 1148498244. Its totient is φ = 1148498242.

The previous prime is 1148498233. The next prime is 1148498279. The reversal of 1148498243 is 3428948411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1148498243 - 2⁴ = 1148498227 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1148498194 and 1148498203.

It is not a weakly prime, because it can be changed into another prime (1148498233) 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, 574249121 + 574249122.

It is an arithmetic number, because the mean of its divisors is an integer number (574249122).

Almost surely, 2^1148498243 is an apocalyptic number.

1148498243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148498243 is an equidigital number, since it uses as much as digits as its factorization.

1148498243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 1148498243 is about 33889.5004831880. The cubic root of 1148498243 is about 1047.2333037528.

The spelling of 1148498243 in words is "one billion, one hundred forty-eight million, four hundred ninety-eight thousand, two hundred forty-three".