144440042234 has 8 divisors (see below), whose sum is σ = 228063224640. Its totient is φ = 68418967356.

The previous prime is 144440042191. The next prime is 144440042239. The reversal of 144440042234 is 432240044441.

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

It is a super-4 number, since 4×144440042234⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144440042234.

It is not an unprimeable number, because it can be changed into a prime (144440042239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900526834 + ... + 1900526909.

It is an arithmetic number, because the mean of its divisors is an integer number (28507903080).

Almost surely, 2^144440042234 is an apocalyptic number.

144440042234 is a deficient number, since it is larger than the sum of its proper divisors (83623182406).

144440042234 is a wasteful number, since it uses less digits than its factorization.

144440042234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801053764.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 144440042234 its reverse (432240044441), we get a palindrome (576680086675).

The spelling of 144440042234 in words is "one hundred forty-four billion, four hundred forty million, forty-two thousand, two hundred thirty-four".