156425227 has 8 divisors (see below), whose sum is σ = 178848000. Its totient is φ = 134021544.

The previous prime is 156425221. The next prime is 156425237. The reversal of 156425227 is 722524651.

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 156425227 - 2³ = 156425219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156425192 and 156425201.

It is not an unprimeable number, because it can be changed into a prime (156425221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26274 + ... + 31672.

It is an arithmetic number, because the mean of its divisors is an integer number (22356000).

Almost surely, 2^156425227 is an apocalyptic number.

156425227 is a deficient number, since it is larger than the sum of its proper divisors (22422773).

156425227 is an equidigital number, since it uses as much as digits as its factorization.

156425227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545.

The product of its digits is 33600, while the sum is 34.

The square root of 156425227 is about 12507.0071160130. The cubic root of 156425227 is about 538.8099386912.

Adding to 156425227 its reverse (722524651), we get a palindrome (878949878).

The spelling of 156425227 in words is "one hundred fifty-six million, four hundred twenty-five thousand, two hundred twenty-seven".