110138445 has 12 divisors (see below), whose sum is σ = 190906716. Its totient is φ = 58740480.

The previous prime is 110138387. The next prime is 110138503. The reversal of 110138445 is 544831011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110138387) and next prime (110138503).

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 53978409 = 7494^2 + 7347^2 .

It is not a de Polignac number, because 110138445 - 2¹⁰ = 110137421 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1223716 + ... + 1223805.

It is an arithmetic number, because the mean of its divisors is an integer number (15908893).

Almost surely, 2^110138445 is an apocalyptic number.

110138445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

110138445 is a deficient number, since it is larger than the sum of its proper divisors (80768271).

110138445 is a wasteful number, since it uses less digits than its factorization.

110138445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447532 (or 2447529 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 110138445 is about 10494.6865127073. The cubic root of 110138445 is about 479.3429160159.

Adding to 110138445 its reverse (544831011), we get a palindrome (654969456).

The spelling of 110138445 in words is "one hundred ten million, one hundred thirty-eight thousand, four hundred forty-five".