156855 has 8 divisors (see below), whose sum is σ = 250992. Its totient is φ = 83648.

The previous prime is 156841. The next prime is 156887. The reversal of 156855 is 558651.

It is a happy number.

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 156855 - 2⁵ = 156823 is a prime.

156855 is a lucky number.

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, 5214 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (31374).

2¹⁵⁶⁸⁵⁵ is an apocalyptic number.

156855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156855 is a deficient number, since it is larger than the sum of its proper divisors (94137).

156855 is a wasteful number, since it uses less digits than its factorization.

156855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10465.

The product of its digits is 6000, while the sum is 30.

The square root of 156855 is about 396.0492393630. The cubic root of 156855 is about 53.9302941468.

The spelling of 156855 in words is "one hundred fifty-six thousand, eight hundred fifty-five".