171200157 has 8 divisors (see below), whose sum is σ = 233575584. Its totient is φ = 111479088.

The previous prime is 171200153. The next prime is 171200167. The reversal of 171200157 is 751002171.

It is a happy number.

171200157 is digitally balanced in base 2, because in such base 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 171200157 - 2² = 171200153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171200153) 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, 663438 + ... + 663695.

It is an arithmetic number, because the mean of its divisors is an integer number (29196948).

Almost surely, 2^171200157 is an apocalyptic number.

It is an amenable number.

171200157 is a deficient number, since it is larger than the sum of its proper divisors (62375427).

171200157 is a wasteful number, since it uses less digits than its factorization.

171200157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327179.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 171200157 is about 13084.3477865731. The cubic root of 171200157 is about 555.2663894458.

The spelling of 171200157 in words is "one hundred seventy-one million, two hundred thousand, one hundred fifty-seven".