245391230 has 32 divisors (see below), whose sum is σ = 515552256. Its totient is φ = 82342944.

The previous prime is 245391203. The next prime is 245391269. The reversal of 245391230 is 32193542.

245391230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245391193 and 245391202.

It is a congruent number.

It is an unprimeable number.

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, 34004 + ... + 40583.

It is an arithmetic number, because the mean of its divisors is an integer number (16111008).

Almost surely, 2^245391230 is an apocalyptic number.

245391230 is an abundant number, since it is smaller than the sum of its proper divisors (270161026).

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

245391230 is a wasteful number, since it uses less digits than its factorization.

245391230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74648.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 245391230 is about 15664.9682412701. The cubic root of 245391230 is about 626.0653658943.

The spelling of 245391230 in words is "two hundred forty-five million, three hundred ninety-one thousand, two hundred thirty".