156445 has 8 divisors (see below), whose sum is σ = 190944. Its totient is φ = 123024.

The previous prime is 156437. The next prime is 156467. The reversal of 156445 is 544651.

156445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 156445 - 2³ = 156437 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

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, 102 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (23868).

2¹⁵⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

156445 is a deficient number, since it is larger than the sum of its proper divisors (34499).

156445 is an equidigital number, since it uses as much as digits as its factorization.

156445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 2400, while the sum is 25.

The square root of 156445 is about 395.5312882693. The cubic root of 156445 is about 53.8832640571.

The spelling of 156445 in words is "one hundred fifty-six thousand, four hundred forty-five".