230657845 has 16 divisors (see below), whose sum is σ = 307074240. Its totient is φ = 164905600.

The previous prime is 230657837. The next prime is 230657879. The reversal of 230657845 is 548756032.

It is not a de Polignac number, because 230657845 - 2³ = 230657837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230657798 and 230657807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32296 + ... + 38785.

It is an arithmetic number, because the mean of its divisors is an integer number (19192140).

Almost surely, 2^230657845 is an apocalyptic number.

It is an amenable number.

230657845 is a deficient number, since it is larger than the sum of its proper divisors (76416395).

230657845 is a wasteful number, since it uses less digits than its factorization.

230657845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71156.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 230657845 is about 15187.4239092744. The cubic root of 230657845 is about 613.2761516936.

The spelling of 230657845 in words is "two hundred thirty million, six hundred fifty-seven thousand, eight hundred forty-five".