144550447 has 2 divisors, whose sum is σ = 144550448. Its totient is φ = 144550446.

The previous prime is 144550411. The next prime is 144550463. The reversal of 144550447 is 744055441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144550447 - 2⁷ = 144550319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144550547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72275223 + 72275224.

It is an arithmetic number, because the mean of its divisors is an integer number (72275224).

Almost surely, 2^144550447 is an apocalyptic number.

144550447 is a deficient number, since it is larger than the sum of its proper divisors (1).

144550447 is an equidigital number, since it uses as much as digits as its factorization.

144550447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 144550447 is about 12022.9134156410. The cubic root of 144550447 is about 524.8152904260.

The spelling of 144550447 in words is "one hundred forty-four million, five hundred fifty thousand, four hundred forty-seven".