230144437 has 2 divisors, whose sum is σ = 230144438. Its totient is φ = 230144436.

The previous prime is 230144429. The next prime is 230144461. The reversal of 230144437 is 734441032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208484721 + 21659716 = 14439^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 230144437 - 2³ = 230144429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230144407) by changing a digit.

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 as a sum of consecutive naturals, namely, 115072218 + 115072219.

It is an arithmetic number, because the mean of its divisors is an integer number (115072219).

Almost surely, 2^230144437 is an apocalyptic number.

It is an amenable number.

230144437 is a deficient number, since it is larger than the sum of its proper divisors (1).

230144437 is an equidigital number, since it uses as much as digits as its factorization.

230144437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 230144437 is about 15170.5120875994. The cubic root of 230144437 is about 612.8207949984.

Adding to 230144437 its reverse (734441032), we get a palindrome (964585469).

The spelling of 230144437 in words is "two hundred thirty million, one hundred forty-four thousand, four hundred thirty-seven".