118672445 has 4 divisors (see below), whose sum is σ = 142406940. Its totient is φ = 94937952.

The previous prime is 118672441. The next prime is 118672447. The reversal of 118672445 is 544276811.

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 40208281 + 78464164 = 6341^2 + 8858^2 .

It is a cyclic number.

It is not a de Polignac number, because 118672445 - 2² = 118672441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118672399 and 118672408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118672441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11867240 + ... + 11867249.

It is an arithmetic number, because the mean of its divisors is an integer number (35601735).

Almost surely, 2^118672445 is an apocalyptic number.

It is an amenable number.

118672445 is a deficient number, since it is larger than the sum of its proper divisors (23734495).

118672445 is an equidigital number, since it uses as much as digits as its factorization.

118672445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23734494.

The product of its digits is 53760, while the sum is 38.

The square root of 118672445 is about 10893.6883102097. The cubic root of 118672445 is about 491.4167590768.

The spelling of 118672445 in words is "one hundred eighteen million, six hundred seventy-two thousand, four hundred forty-five".