156056473 has 2 divisors, whose sum is σ = 156056474. Its totient is φ = 156056472.

The previous prime is 156056471. The next prime is 156056531. The reversal of 156056473 is 374650651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104101209 + 51955264 = 10203^2 + 7208^2 .

It is a cyclic number.

It is not a de Polignac number, because 156056473 - 2¹ = 156056471 is a prime.

Together with 156056471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (156056471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78028236 + 78028237.

It is an arithmetic number, because the mean of its divisors is an integer number (78028237).

Almost surely, 2^156056473 is an apocalyptic number.

It is an amenable number.

156056473 is a deficient number, since it is larger than the sum of its proper divisors (1).

156056473 is an equidigital number, since it uses as much as digits as its factorization.

156056473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 156056473 is about 12492.2565215417. The cubic root of 156056473 is about 538.3862119543.

The spelling of 156056473 in words is "one hundred fifty-six million, fifty-six thousand, four hundred seventy-three".