156829 has 4 divisors (see below), whose sum is σ = 161920. Its totient is φ = 151740.

The previous prime is 156823. The next prime is 156833. The reversal of 156829 is 928651.

156829 = T₅ + T₆ + ... + T₉₇.

156829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156829 - 2⁵ = 156797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5059 = 156829 / (1 + 5 + 6 + 8 + 2 + 9).

It is an Ulam number.

It is a Duffinian number.

156829 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 156829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2499 + ... + 2560.

It is an arithmetic number, because the mean of its divisors is an integer number (40480).

2¹⁵⁶⁸²⁹ is an apocalyptic number.

It is an amenable number.

156829 is a deficient number, since it is larger than the sum of its proper divisors (5091).

156829 is an equidigital number, since it uses as much as digits as its factorization.

156829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090.

The product of its digits is 4320, while the sum is 31.

The square root of 156829 is about 396.0164138012. The cubic root of 156829 is about 53.9273141862.

The spelling of 156829 in words is "one hundred fifty-six thousand, eight hundred twenty-nine".