144440042233 has 8 divisors (see below), whose sum is σ = 145423361160. Its totient is φ = 143457525120.

The previous prime is 144440042191. The next prime is 144440042239. The reversal of 144440042233 is 332240044441.

It can be written as a sum of positive squares in 4 ways, for example, as 4003978729 + 140436063504 = 63277^2 + 374748^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144440042233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144440042195 and 144440042204.

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 7 ways as a sum of consecutive naturals, for example, 163293 + ... + 561733.

It is an arithmetic number, because the mean of its divisors is an integer number (18177920145).

Almost surely, 2^144440042233 is an apocalyptic number.

It is an amenable number.

144440042233 is a deficient number, since it is larger than the sum of its proper divisors (983318927).

144440042233 is a wasteful number, since it uses less digits than its factorization.

144440042233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400907.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 144440042233 its reverse (332240044441), we get a palindrome (476680086674).

The spelling of 144440042233 in words is "one hundred forty-four billion, four hundred forty million, forty-two thousand, two hundred thirty-three".