156459 has 4 divisors (see below), whose sum is σ = 208616. Its totient is φ = 104304.

The previous prime is 156437. The next prime is 156467. The reversal of 156459 is 954651.

156459 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.

It is not a de Polignac number, because 156459 - 2¹² = 152363 is a prime.

It is a D-number.

It is a Duffinian number.

156459 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156419) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26074 + ... + 26079.

It is an arithmetic number, because the mean of its divisors is an integer number (52154).

2¹⁵⁶⁴⁵⁹ is an apocalyptic number.

156459 is a deficient number, since it is larger than the sum of its proper divisors (52157).

156459 is an equidigital number, since it uses as much as digits as its factorization.

156459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52156.

The product of its digits is 5400, while the sum is 30.

The square root of 156459 is about 395.5489855884. The cubic root of 156459 is about 53.8848713167.

The spelling of 156459 in words is "one hundred fifty-six thousand, four hundred fifty-nine".