8102157 has 8 divisors (see below), whose sum is σ = 12346176. Its totient is φ = 4629792.

The previous prime is 8102137. The next prime is 8102167. The reversal of 8102157 is 7512018.

8102157 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8102157 - 2⁸ = 8101901 is a prime.

8102157 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102117) 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, 192888 + ... + 192929.

It is an arithmetic number, because the mean of its divisors is an integer number (1543272).

Almost surely, 2^8102157 is an apocalyptic number.

It is an amenable number.

8102157 is a deficient number, since it is larger than the sum of its proper divisors (4244019).

8102157 is a wasteful number, since it uses less digits than its factorization.

8102157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385827.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 8102157 is about 2846.4288151998. The cubic root of 8102157 is about 200.8477101940.

The spelling of 8102157 in words is "eight million, one hundred two thousand, one hundred fifty-seven".