157918 has 8 divisors (see below), whose sum is σ = 247248. Its totient is φ = 75504.

The previous prime is 157907. The next prime is 157931. The reversal of 157918 is 819751.

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

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 157918.

It is a congruent number.

It is an unprimeable number.

157918 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (30906).

2¹⁵⁷⁹¹⁸ is an apocalyptic number.

157918 is a deficient number, since it is larger than the sum of its proper divisors (89330).

157918 is a wasteful number, since it uses less digits than its factorization.

157918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its digits is 2520, while the sum is 31.

The square root of 157918 is about 397.3889782065. The cubic root of 157918 is about 54.0518477793.

The spelling of 157918 in words is "one hundred fifty-seven thousand, nine hundred eighteen".