144402002231 has 2 divisors, whose sum is σ = 144402002232. Its totient is φ = 144402002230.

The previous prime is 144402002221. The next prime is 144402002243. The reversal of 144402002231 is 132200204441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144402002231 - 2⁶ = 144402002167 is a prime.

It is a super-2 number, since 2×144402002231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144402002197 and 144402002206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144402002221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72201001115 + 72201001116.

It is an arithmetic number, because the mean of its divisors is an integer number (72201001116).

Almost surely, 2^144402002231 is an apocalyptic number.

144402002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

144402002231 is an equidigital number, since it uses as much as digits as its factorization.

144402002231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 144402002231 its reverse (132200204441), we get a palindrome (276602206672).

The spelling of 144402002231 in words is "one hundred forty-four billion, four hundred two million, two thousand, two hundred thirty-one".