232018445 has 8 divisors (see below), whose sum is σ = 278514936. Its totient is φ = 185552896.

The previous prime is 232018439. The next prime is 232018447. The reversal of 232018445 is 544810232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11377129 + 220641316 = 3373^2 + 14854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232018445 - 2⁴ = 232018429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232018447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14669 + ... + 26061.

It is an arithmetic number, because the mean of its divisors is an integer number (34814367).

Almost surely, 2^232018445 is an apocalyptic number.

It is an amenable number.

232018445 is a deficient number, since it is larger than the sum of its proper divisors (46496491).

232018445 is a wasteful number, since it uses less digits than its factorization.

232018445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 232018445 is about 15232.1516864821. The cubic root of 232018445 is about 614.4796488677.

Adding to 232018445 its reverse (544810232), we get a palindrome (776828677).

The spelling of 232018445 in words is "two hundred thirty-two million, eighteen thousand, four hundred forty-five".