234144434 has 32 divisors (see below), whose sum is σ = 390089520. Its totient is φ = 104896512.

The previous prime is 234144433. The next prime is 234144437. The reversal of 234144434 is 434441432.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 221563225 + 12581209 = 14885^2 + 3547^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 234144397 and 234144406.

It is not an unprimeable number, because it can be changed into a prime (234144433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70352 + ... + 73604.

Almost surely, 2^234144434 is an apocalyptic number.

234144434 is a deficient number, since it is larger than the sum of its proper divisors (155945086).

234144434 is a wasteful number, since it uses less digits than its factorization.

234144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its digits is 18432, while the sum is 29.

The square root of 234144434 is about 15301.7787854877. The cubic root of 234144434 is about 616.3507745946.

Adding to 234144434 its reverse (434441432), we get a palindrome (668585866).

The spelling of 234144434 in words is "two hundred thirty-four million, one hundred forty-four thousand, four hundred thirty-four".