118415157 has 8 divisors (see below), whose sum is σ = 180442176. Its totient is φ = 67665792.

The previous prime is 118415153. The next prime is 118415161. The reversal of 118415157 is 751514811.

It is an interprime number because it is at equal distance from previous prime (118415153) and next prime (118415161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118415157 - 2² = 118415153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118415153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2819388 + ... + 2819429.

It is an arithmetic number, because the mean of its divisors is an integer number (22555272).

Almost surely, 2^118415157 is an apocalyptic number.

It is an amenable number.

118415157 is a deficient number, since it is larger than the sum of its proper divisors (62027019).

118415157 is an equidigital number, since it uses as much as digits as its factorization.

118415157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638827.

The product of its digits is 5600, while the sum is 33.

The square root of 118415157 is about 10881.8728627015. The cubic root of 118415157 is about 491.0613631287.

Adding to 118415157 its reverse (751514811), we get a palindrome (869929968).

The spelling of 118415157 in words is "one hundred eighteen million, four hundred fifteen thousand, one hundred fifty-seven".