144703147 has 2 divisors, whose sum is σ = 144703148. Its totient is φ = 144703146.

The previous prime is 144703129. The next prime is 144703151. The reversal of 144703147 is 741307441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144703147 is a prime.

It is not a weakly prime, because it can be changed into another prime (144700147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72351573 + 72351574.

It is an arithmetic number, because the mean of its divisors is an integer number (72351574).

Almost surely, 2^144703147 is an apocalyptic number.

144703147 is a deficient number, since it is larger than the sum of its proper divisors (1).

144703147 is an equidigital number, since it uses as much as digits as its factorization.

144703147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 144703147 is about 12029.2621136959. The cubic root of 144703147 is about 525.0000266062. Note that the first 4 decimals are identical.

The spelling of 144703147 in words is "one hundred forty-four million, seven hundred three thousand, one hundred forty-seven".