156228670 has 40 divisors (see below), whose sum is σ = 305202024. Its totient is φ = 57578976.

The previous prime is 156228661. The next prime is 156228679. The reversal of 156228670 is 76822651.

It is a happy number.

156228670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156228661) and next prime (156228679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156228679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 285337 + ... + 285883.

Almost surely, 2^156228670 is an apocalyptic number.

156228670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156228670 is a deficient number, since it is larger than the sum of its proper divisors (148973354).

156228670 is an frugal number, since it uses more digits than its factorization.

156228670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 156228670 is about 12499.1467708800. The cubic root of 156228670 is about 538.5841625436.

It can be divided in two parts, 156 and 228670, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 156228670 in words is "one hundred fifty-six million, two hundred twenty-eight thousand, six hundred seventy".