18157341 has 8 divisors (see below), whose sum is σ = 24233344. Its totient is φ = 12093120.

The previous prime is 18157339. The next prime is 18157361. The reversal of 18157341 is 14375181.

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

It is not a de Polignac number, because 18157341 - 2¹ = 18157339 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18157299 and 18157308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18157361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (3029168).

Almost surely, 2^18157341 is an apocalyptic number.

It is an amenable number.

18157341 is a deficient number, since it is larger than the sum of its proper divisors (6076003).

18157341 is a wasteful number, since it uses less digits than its factorization.

18157341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its digits is 3360, while the sum is 30.

The square root of 18157341 is about 4261.1431564781. The cubic root of 18157341 is about 262.8355364560.

The spelling of 18157341 in words is "eighteen million, one hundred fifty-seven thousand, three hundred forty-one".