111454289 has 2 divisors, whose sum is σ = 111454290. Its totient is φ = 111454288.

The previous prime is 111454271. The next prime is 111454307. The reversal of 111454289 is 982454111.

It is a balanced prime because it is at equal distance from previous prime (111454271) and next prime (111454307).

It can be written as a sum of positive squares in only one way, i.e., 92313664 + 19140625 = 9608^2 + 4375^2 .

It is an emirp because it is prime and its reverse (982454111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111454289 is a prime.

It is not a weakly prime, because it can be changed into another prime (111454489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55727144 + 55727145.

It is an arithmetic number, because the mean of its divisors is an integer number (55727145).

Almost surely, 2^111454289 is an apocalyptic number.

It is an amenable number.

111454289 is a deficient number, since it is larger than the sum of its proper divisors (1).

111454289 is an equidigital number, since it uses as much as digits as its factorization.

111454289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 111454289 is about 10557.1913405034. The cubic root of 111454289 is about 481.2442962387.

The spelling of 111454289 in words is "one hundred eleven million, four hundred fifty-four thousand, two hundred eighty-nine".