234144289 has 4 divisors (see below), whose sum is σ = 242218260. Its totient is φ = 226070320.

The previous prime is 234144283. The next prime is 234144307. The reversal of 234144289 is 982441432.

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 126337600 + 107806689 = 11240^2 + 10383^2 .

It is a cyclic number.

It is not a de Polignac number, because 234144289 - 2⁷ = 234144161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234144283) 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 3 ways as a sum of consecutive naturals, for example, 4036942 + ... + 4036999.

It is an arithmetic number, because the mean of its divisors is an integer number (60554565).

Almost surely, 2^234144289 is an apocalyptic number.

234144289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

234144289 is a deficient number, since it is larger than the sum of its proper divisors (8073971).

234144289 is an equidigital number, since it uses as much as digits as its factorization.

234144289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073970.

The product of its digits is 55296, while the sum is 37.

The square root of 234144289 is about 15301.7740474757. The cubic root of 234144289 is about 616.3506473642.

The spelling of 234144289 in words is "two hundred thirty-four million, one hundred forty-four thousand, two hundred eighty-nine".