107231845 has 12 divisors (see below), whose sum is σ = 149687244. Its totient is φ = 73530240.

The previous prime is 107231843. The next prime is 107231881. The reversal of 107231845 is 548132701.

It can be written as a sum of positive squares in 2 ways, for example, as 19509889 + 87721956 = 4417^2 + 9366^2 .

It is not a de Polignac number, because 107231845 - 2¹ = 107231843 is a prime.

It is a super-2 number, since 2×107231845² = 22997337164208050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107231843) 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 in 11 ways as a sum of consecutive naturals, for example, 218596 + ... + 219085.

It is an arithmetic number, because the mean of its divisors is an integer number (12473937).

Almost surely, 2^107231845 is an apocalyptic number.

It is an amenable number.

107231845 is a deficient number, since it is larger than the sum of its proper divisors (42455399).

107231845 is an equidigital number, since it uses as much as digits as its factorization.

107231845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437700 (or 437693 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 107231845 is about 10355.2810198468. The cubic root of 107231845 is about 475.0885818175.

The spelling of 107231845 in words is "one hundred seven million, two hundred thirty-one thousand, eight hundred forty-five".