109114945 has 8 divisors (see below), whose sum is σ = 131662440. Its totient is φ = 86808960.

The previous prime is 109114939. The next prime is 109114949. The reversal of 109114945 is 549411901.

It can be written as a sum of positive squares in 4 ways, for example, as 8473921 + 100641024 = 2911^2 + 10032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109114945 - 2³ = 109114937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109114945.

It is not an unprimeable number, because it can be changed into a prime (109114949) 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 in 7 ways as a sum of consecutive naturals, for example, 59380 + ... + 61189.

It is an arithmetic number, because the mean of its divisors is an integer number (16457805).

Almost surely, 2^109114945 is an apocalyptic number.

It is an amenable number.

109114945 is a deficient number, since it is larger than the sum of its proper divisors (22547495).

109114945 is a wasteful number, since it uses less digits than its factorization.

109114945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120755.

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

The square root of 109114945 is about 10445.8099255156. The cubic root of 109114945 is about 477.8534721827.

The spelling of 109114945 in words is "one hundred nine million, one hundred fourteen thousand, nine hundred forty-five".