110142491 has 2 divisors, whose sum is σ = 110142492. Its totient is φ = 110142490.

The previous prime is 110142467. The next prime is 110142583. The reversal of 110142491 is 194241011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110142491 - 2¹⁸ = 109880347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110142421) 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, 55071245 + 55071246.

It is an arithmetic number, because the mean of its divisors is an integer number (55071246).

Almost surely, 2^110142491 is an apocalyptic number.

110142491 is a deficient number, since it is larger than the sum of its proper divisors (1).

110142491 is an equidigital number, since it uses as much as digits as its factorization.

110142491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 110142491 is about 10494.8792751513. The cubic root of 110142491 is about 479.3487855912.

The spelling of 110142491 in words is "one hundred ten million, one hundred forty-two thousand, four hundred ninety-one".