230155564645 has 4 divisors (see below), whose sum is σ = 276186677580. Its totient is φ = 184124451712.

The previous prime is 230155564633. The next prime is 230155564697. The reversal of 230155564645 is 546465551032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35796261601 + 194359303044 = 189199^2 + 440862^2 .

It is a cyclic number.

It is not a de Polignac number, because 230155564645 - 2⁷ = 230155564517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230155564595 and 230155564604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23015556460 + ... + 23015556469.

It is an arithmetic number, because the mean of its divisors is an integer number (69046669395).

Almost surely, 2^230155564645 is an apocalyptic number.

It is an amenable number.

230155564645 is a deficient number, since it is larger than the sum of its proper divisors (46031112935).

230155564645 is an equidigital number, since it uses as much as digits as its factorization.

230155564645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46031112934.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 230155564645 in words is "two hundred thirty billion, one hundred fifty-five million, five hundred sixty-four thousand, six hundred forty-five".