118445057 has 2 divisors, whose sum is σ = 118445058. Its totient is φ = 118445056.

The previous prime is 118445011. The next prime is 118445059. The reversal of 118445057 is 750544811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118352641 + 92416 = 10879^2 + 304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118445057 is a prime.

Together with 118445059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118445059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59222528 + 59222529.

It is an arithmetic number, because the mean of its divisors is an integer number (59222529).

Almost surely, 2^118445057 is an apocalyptic number.

It is an amenable number.

118445057 is a deficient number, since it is larger than the sum of its proper divisors (1).

118445057 is an equidigital number, since it uses as much as digits as its factorization.

118445057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 118445057 is about 10883.2466203794. The cubic root of 118445057 is about 491.1026908875.

Adding to 118445057 its reverse (750544811), we get a palindrome (868989868).

The spelling of 118445057 in words is "one hundred eighteen million, four hundred forty-five thousand, fifty-seven".