230897845 has 4 divisors (see below), whose sum is σ = 277077420. Its totient is φ = 184718272.

The previous prime is 230897833. The next prime is 230897867. The reversal of 230897845 is 548798032.

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 94148209 + 136749636 = 9703^2 + 11694^2 .

It is a cyclic number.

It is not a de Polignac number, because 230897845 - 2¹⁹ = 230373557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230897795 and 230897804.

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, 23089780 + ... + 23089789.

It is an arithmetic number, because the mean of its divisors is an integer number (69269355).

Almost surely, 2^230897845 is an apocalyptic number.

It is an amenable number.

230897845 is a deficient number, since it is larger than the sum of its proper divisors (46179575).

230897845 is an equidigital number, since it uses as much as digits as its factorization.

230897845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46179574.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 230897845 is about 15195.3231291737. The cubic root of 230897845 is about 613.4887830288.

The spelling of 230897845 in words is "two hundred thirty million, eight hundred ninety-seven thousand, eight hundred forty-five".