230156740 has 48 divisors (see below), whose sum is σ = 537243840. Its totient is φ = 82110080.

The previous prime is 230156723. The next prime is 230156743. The reversal of 230156740 is 47651032.

It is a junction number, because it is equal to n+sod(n) for n = 230156699 and 230156708.

It is not an unprimeable number, because it can be changed into a prime (230156743) 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 15 ways as a sum of consecutive naturals, for example, 1791 + ... + 21529.

It is an arithmetic number, because the mean of its divisors is an integer number (11192580).

Almost surely, 2^230156740 is an apocalyptic number.

230156740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230156740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268621920).

230156740 is an abundant number, since it is smaller than the sum of its proper divisors (307087100).

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

230156740 is a wasteful number, since it uses less digits than its factorization.

230156740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19812 (or 19810 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 230156740 is about 15170.9175727772. The cubic root of 230156740 is about 612.8317148075.

The spelling of 230156740 in words is "two hundred thirty million, one hundred fifty-six thousand, seven hundred forty".