1114145243 has 2 divisors, whose sum is σ = 1114145244. Its totient is φ = 1114145242.

The previous prime is 1114145191. The next prime is 1114145257. The reversal of 1114145243 is 3425414111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1114145243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1114141243) 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, 557072621 + 557072622.

It is an arithmetic number, because the mean of its divisors is an integer number (557072622).

Almost surely, 2^1114145243 is an apocalyptic number.

1114145243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114145243 is an equidigital number, since it uses as much as digits as its factorization.

1114145243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 1114145243 is about 33378.8142839137. The cubic root of 1114145243 is about 1036.6860871226.

Adding to 1114145243 its reverse (3425414111), we get a palindrome (4539559354).

The spelling of 1114145243 in words is "one billion, one hundred fourteen million, one hundred forty-five thousand, two hundred forty-three".