107997145 has 16 divisors (see below), whose sum is σ = 132254928. Its totient is φ = 84637440.

The previous prime is 107997143. The next prime is 107997229. The reversal of 107997145 is 541799701.

It can be written as a sum of positive squares in 8 ways, for example, as 69705801 + 38291344 = 8349^2 + 6188^2 .

It is not a de Polignac number, because 107997145 - 2¹ = 107997143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107997143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96127 + ... + 97243.

It is an arithmetic number, because the mean of its divisors is an integer number (8265933).

Almost surely, 2^107997145 is an apocalyptic number.

It is an amenable number.

107997145 is a deficient number, since it is larger than the sum of its proper divisors (24257783).

107997145 is a wasteful number, since it uses less digits than its factorization.

107997145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 107997145 is about 10392.1674832539. The cubic root of 107997145 is about 476.2161192294.

The spelling of 107997145 in words is "one hundred seven million, nine hundred ninety-seven thousand, one hundred forty-five".