110145949 has 2 divisors, whose sum is σ = 110145950. Its totient is φ = 110145948.

The previous prime is 110145947. The next prime is 110145953. The reversal of 110145949 is 949541011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94225849 + 15920100 = 9707^2 + 3990^2 .

It is an emirp because it is prime and its reverse (949541011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110145949 - 2¹ = 110145947 is a prime.

It is a super-2 number, since 2×110145949² = 24264260162221202, which contains 22 as substring.

Together with 110145947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110145943) 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, 55072974 + 55072975.

It is an arithmetic number, because the mean of its divisors is an integer number (55072975).

Almost surely, 2^110145949 is an apocalyptic number.

It is an amenable number.

110145949 is a deficient number, since it is larger than the sum of its proper divisors (1).

110145949 is an equidigital number, since it uses as much as digits as its factorization.

110145949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 110145949 is about 10495.0440208700. The cubic root of 110145949 is about 479.3538020348.

The spelling of 110145949 in words is "one hundred ten million, one hundred forty-five thousand, nine hundred forty-nine".