107804945 has 4 divisors (see below), whose sum is σ = 129365940. Its totient is φ = 86243952.

The previous prime is 107804911. The next prime is 107804951. The reversal of 107804945 is 549408701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65918161 + 41886784 = 8119^2 + 6472^2 .

It is a cyclic number.

It is not a de Polignac number, because 107804945 - 2⁶ = 107804881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107804899 and 107804908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10780490 + ... + 10780499.

It is an arithmetic number, because the mean of its divisors is an integer number (32341485).

Almost surely, 2^107804945 is an apocalyptic number.

It is an amenable number.

107804945 is a deficient number, since it is larger than the sum of its proper divisors (21560995).

107804945 is an equidigital number, since it uses as much as digits as its factorization.

107804945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21560994.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 107804945 is about 10382.9160162259. The cubic root of 107804945 is about 475.9334479018.

The spelling of 107804945 in words is "one hundred seven million, eight hundred four thousand, nine hundred forty-five".