110142289 has 2 divisors, whose sum is σ = 110142290. Its totient is φ = 110142288.

The previous prime is 110142281. The next prime is 110142293. The reversal of 110142289 is 982241011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81144064 + 28998225 = 9008^2 + 5385^2 .

It is a cyclic number.

It is not a de Polignac number, because 110142289 - 2³ = 110142281 is a prime.

It is not a weakly prime, because it can be changed into another prime (110142281) 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, 55071144 + 55071145.

It is an arithmetic number, because the mean of its divisors is an integer number (55071145).

Almost surely, 2^110142289 is an apocalyptic number.

It is an amenable number.

110142289 is a deficient number, since it is larger than the sum of its proper divisors (1).

110142289 is an equidigital number, since it uses as much as digits as its factorization.

110142289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 110142289 is about 10494.8696514059. The cubic root of 110142289 is about 479.3484925511.

The spelling of 110142289 in words is "one hundred ten million, one hundred forty-two thousand, two hundred eighty-nine".