234138144 has 48 divisors (see below), whose sum is σ = 650770848. Its totient is φ = 73454592.

The previous prime is 234138131. The next prime is 234138169. The reversal of 234138144 is 441831432.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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, 70102 + ... + 73365.

It is an arithmetic number, because the mean of its divisors is an integer number (13557726).

Almost surely, 2^234138144 is an apocalyptic number.

234138144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

234138144 is an abundant number, since it is smaller than the sum of its proper divisors (416632704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234138144 is a wasteful number, since it uses less digits than its factorization.

234138144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143497 (or 143489 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 234138144 is about 15301.5732524470. The cubic root of 234138144 is about 616.3452553787.

Adding to 234138144 its reverse (441831432), we get a palindrome (675969576).

The spelling of 234138144 in words is "two hundred thirty-four million, one hundred thirty-eight thousand, one hundred forty-four".