144092281 has 2 divisors, whose sum is σ = 144092282. Its totient is φ = 144092280.

The previous prime is 144092279. The next prime is 144092293. The reversal of 144092281 is 182290441.

144092281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 45765225 = 9916^2 + 6765^2 .

It is a cyclic number.

It is not a de Polignac number, because 144092281 - 2¹ = 144092279 is a prime.

It is a super-2 number, since 2×144092281² = 41525170887565922, which contains 22 as substring.

Together with 144092279, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144092581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72046140 + 72046141.

It is an arithmetic number, because the mean of its divisors is an integer number (72046141).

Almost surely, 2^144092281 is an apocalyptic number.

It is an amenable number.

144092281 is a deficient number, since it is larger than the sum of its proper divisors (1).

144092281 is an equidigital number, since it uses as much as digits as its factorization.

144092281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 144092281 is about 12003.8444258496. The cubic root of 144092281 is about 524.2602200426.

The spelling of 144092281 in words is "one hundred forty-four million, ninety-two thousand, two hundred eighty-one".