156500 has 24 divisors (see below), whose sum is σ = 342888. Its totient is φ = 62400.

The previous prime is 156493. The next prime is 156511. The reversal of 156500 is 5651.

It can be written as a sum of positive squares in 4 ways, for example, as 44944 + 111556 = 212^2 + 334^2 .

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

156500 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 656.

It is an arithmetic number, because the mean of its divisors is an integer number (14287).

2¹⁵⁶⁵⁰⁰ is an apocalyptic number.

156500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171444).

156500 is an abundant number, since it is smaller than the sum of its proper divisors (186388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156500 is a wasteful number, since it uses less digits than its factorization.

156500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 156500 is about 395.6008088970. The cubic root of 156500 is about 53.8895777398.

It can be divided in two parts, 156 and 500, that added together give a palindrome (656).

The spelling of 156500 in words is "one hundred fifty-six thousand, five hundred".