230298156 has 72 divisors (see below), whose sum is σ = 644087808. Its totient is φ = 68796000.

The previous prime is 230298127. The next prime is 230298157. The reversal of 230298156 is 651892032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 230298156.

It is not an unprimeable number, because it can be changed into a prime (230298157) 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 23 ways as a sum of consecutive naturals, for example, 24021 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (8945664).

Almost surely, 2^230298156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230298156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322043904).

230298156 is an abundant number, since it is smaller than the sum of its proper divisors (413789652).

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

230298156 is a wasteful number, since it uses less digits than its factorization.

230298156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283 (or 8278 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 230298156 is about 15175.5776166840. The cubic root of 230298156 is about 612.9572038779.

The spelling of 230298156 in words is "two hundred thirty million, two hundred ninety-eight thousand, one hundred fifty-six".