144202243 has 2 divisors, whose sum is σ = 144202244. Its totient is φ = 144202242.

The previous prime is 144202217. The next prime is 144202273. The reversal of 144202243 is 342202441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144202243 - 2⁹ = 144201731 is a prime.

It is not a weakly prime, because it can be changed into another prime (144202213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72101121 + 72101122.

It is an arithmetic number, because the mean of its divisors is an integer number (72101122).

Almost surely, 2^144202243 is an apocalyptic number.

144202243 is a deficient number, since it is larger than the sum of its proper divisors (1).

144202243 is an equidigital number, since it uses as much as digits as its factorization.

144202243 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 22.

The square root of 144202243 is about 12008.4238349585. The cubic root of 144202243 is about 524.3935467402.

Adding to 144202243 its reverse (342202441), we get a palindrome (486404684).

The spelling of 144202243 in words is "one hundred forty-four million, two hundred two thousand, two hundred forty-three".