156856230 has 64 divisors (see below), whose sum is σ = 419428800. Its totient is φ = 41713920.

The previous prime is 156856223. The next prime is 156856237. The reversal of 156856230 is 32658651.

156856230 is a `hidden beast` number, since 1 + 5 + 68 + 562 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (156856223) and next prime (156856237).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156856237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153120 + ... + 154140.

It is an arithmetic number, because the mean of its divisors is an integer number (6553575).

Almost surely, 2^156856230 is an apocalyptic number.

156856230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156856230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209714400).

156856230 is an abundant number, since it is smaller than the sum of its proper divisors (262572570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156856230 is a wasteful number, since it uses less digits than its factorization.

156856230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 156856230 is about 12524.2257245708. The cubic root of 156856230 is about 539.3043511367.

The spelling of 156856230 in words is "one hundred fifty-six million, eight hundred fifty-six thousand, two hundred thirty".