230236445 has 4 divisors (see below), whose sum is σ = 276283740. Its totient is φ = 184189152.

The previous prime is 230236441. The next prime is 230236477. The reversal of 230236445 is 544632032.

230236445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45657049 + 184579396 = 6757^2 + 13586^2 .

It is a cyclic number.

It is not a de Polignac number, because 230236445 - 2² = 230236441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230236441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23023640 + ... + 23023649.

It is an arithmetic number, because the mean of its divisors is an integer number (69070935).

Almost surely, 2^230236445 is an apocalyptic number.

It is an amenable number.

230236445 is a deficient number, since it is larger than the sum of its proper divisors (46047295).

230236445 is an equidigital number, since it uses as much as digits as its factorization.

230236445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46047294.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 230236445 is about 15173.5442464837. The cubic root of 230236445 is about 612.9024493778.

Adding to 230236445 its reverse (544632032), we get a palindrome (774868477).

The spelling of 230236445 in words is "two hundred thirty million, two hundred thirty-six thousand, four hundred forty-five".