118546157 has 2 divisors, whose sum is σ = 118546158. Its totient is φ = 118546156.

The previous prime is 118546097. The next prime is 118546159. The reversal of 118546157 is 751645811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64464841 + 54081316 = 8029^2 + 7354^2 .

It is a cyclic number.

It is not a de Polignac number, because 118546157 - 2²⁴ = 101768941 is a prime.

Together with 118546159, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6763628 and since 118546157 and 6763628 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118546157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118546159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59273078 + 59273079.

It is an arithmetic number, because the mean of its divisors is an integer number (59273079).

Almost surely, 2^118546157 is an apocalyptic number.

It is an amenable number.

118546157 is a deficient number, since it is larger than the sum of its proper divisors (1).

118546157 is an equidigital number, since it uses as much as digits as its factorization.

118546157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 38.

The square root of 118546157 is about 10887.8903833571. The cubic root of 118546157 is about 491.2423797397.

The spelling of 118546157 in words is "one hundred eighteen million, five hundred forty-six thousand, one hundred fifty-seven".