157118386 has 8 divisors (see below), whose sum is σ = 249541020. Its totient is φ = 73938048.

The previous prime is 157118383. The next prime is 157118399. The reversal of 157118386 is 683811751.

It can be written as a sum of positive squares in 2 ways, for example, as 120890025 + 36228361 = 10995^2 + 6019^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157118383) 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 3 ways as a sum of consecutive naturals, for example, 2310531 + ... + 2310598.

Almost surely, 2^157118386 is an apocalyptic number.

157118386 is a deficient number, since it is larger than the sum of its proper divisors (92422634).

157118386 is a wasteful number, since it uses less digits than its factorization.

157118386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621148.

The product of its digits is 40320, while the sum is 40.

The square root of 157118386 is about 12534.6873116165. The cubic root of 157118386 is about 539.6046328661.

The spelling of 157118386 in words is "one hundred fifty-seven million, one hundred eighteen thousand, three hundred eighty-six".