157285 has 8 divisors (see below), whose sum is σ = 191520. Its totient is φ = 123984.

The previous prime is 157279. The next prime is 157291. The reversal of 157285 is 582751.

157285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

157285 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (157279) and next prime (157291).

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

It is a cyclic number.

It is not a de Polignac number, because 157285 - 2³ = 157277 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226 + ... + 604.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2¹⁵⁷²⁸⁵ is an apocalyptic number.

It is an amenable number.

157285 is a deficient number, since it is larger than the sum of its proper divisors (34235).

157285 is an equidigital number, since it uses as much as digits as its factorization.

157285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 2800, while the sum is 28.

The square root of 157285 is about 396.5917296162. The cubic root of 157285 is about 53.9795304218.

The spelling of 157285 in words is "one hundred fifty-seven thousand, two hundred eighty-five".