107443609 has 12 divisors (see below), whose sum is σ = 132966336. Its totient is φ = 85009392.

The previous prime is 107443607. The next prime is 107443619. The reversal of 107443609 is 906344701.

It is a happy number.

It is not a de Polignac number, because 107443609 - 2¹ = 107443607 is a prime.

It is a super-2 number, since 2×107443609² = 23088258229889762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107443607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44229 + ... + 46594.

It is an arithmetic number, because the mean of its divisors is an integer number (11080528).

Almost surely, 2^107443609 is an apocalyptic number.

It is an amenable number.

107443609 is a deficient number, since it is larger than the sum of its proper divisors (25522727).

107443609 is an equidigital number, since it uses as much as digits as its factorization.

107443609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90856 (or 90843 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 107443609 is about 10365.5009044426. The cubic root of 107443609 is about 475.4011149218.

The spelling of 107443609 in words is "one hundred seven million, four hundred forty-three thousand, six hundred nine".