118745449 has 2 divisors, whose sum is σ = 118745450. Its totient is φ = 118745448.

The previous prime is 118745423. The next prime is 118745461. The reversal of 118745449 is 944547811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118113424 + 632025 = 10868^2 + 795^2 .

It is an emirp because it is prime and its reverse (944547811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118745449 - 2¹⁵ = 118712681 is a prime.

It is not a weakly prime, because it can be changed into another prime (118715449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59372724 + 59372725.

It is an arithmetic number, because the mean of its divisors is an integer number (59372725).

Almost surely, 2^118745449 is an apocalyptic number.

It is an amenable number.

118745449 is a deficient number, since it is larger than the sum of its proper divisors (1).

118745449 is an equidigital number, since it uses as much as digits as its factorization.

118745449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 118745449 is about 10897.0385426500. The cubic root of 118745449 is about 491.5175070785.

The spelling of 118745449 in words is "one hundred eighteen million, seven hundred forty-five thousand, four hundred forty-nine".