144340234 has 8 divisors (see below), whose sum is σ = 229246308. Its totient is φ = 67924800.

The previous prime is 144340223. The next prime is 144340327. The reversal of 144340234 is 432043441.

It can be written as a sum of positive squares in 2 ways, for example, as 126675025 + 17665209 = 11255^2 + 4203^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144340199 and 144340208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122617 + ... + 2122684.

Almost surely, 2^144340234 is an apocalyptic number.

144340234 is a deficient number, since it is larger than the sum of its proper divisors (84906074).

144340234 is a wasteful number, since it uses less digits than its factorization.

144340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245320.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 144340234 is about 12014.1680527617. The cubic root of 144340234 is about 524.5607621711.

Adding to 144340234 its reverse (432043441), we get a palindrome (576383675).

The spelling of 144340234 in words is "one hundred forty-four million, three hundred forty thousand, two hundred thirty-four".