118980445 has 4 divisors (see below), whose sum is σ = 142776540. Its totient is φ = 95184352.

The previous prime is 118980443. The next prime is 118980457. The reversal of 118980445 is 544089811.

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 71453209 + 47527236 = 8453^2 + 6894^2 .

It is a cyclic number.

It is not a de Polignac number, because 118980445 - 2¹ = 118980443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118980398 and 118980407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118980443) 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 3 ways as a sum of consecutive naturals, for example, 11898040 + ... + 11898049.

It is an arithmetic number, because the mean of its divisors is an integer number (35694135).

Almost surely, 2^118980445 is an apocalyptic number.

It is an amenable number.

118980445 is a deficient number, since it is larger than the sum of its proper divisors (23796095).

118980445 is an equidigital number, since it uses as much as digits as its factorization.

118980445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23796094.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 118980445 is about 10907.8157758554. The cubic root of 118980445 is about 491.8415294265.

The spelling of 118980445 in words is "one hundred eighteen million, nine hundred eighty thousand, four hundred forty-five".