144218747 has 2 divisors, whose sum is σ = 144218748. Its totient is φ = 144218746.

The previous prime is 144218743. The next prime is 144218791. The reversal of 144218747 is 747812441.

144218747 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 is a cyclic number.

It is not a de Polignac number, because 144218747 - 2² = 144218743 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144218747.

It is not a weakly prime, because it can be changed into another prime (144218743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72109373 + 72109374.

It is an arithmetic number, because the mean of its divisors is an integer number (72109374).

Almost surely, 2^144218747 is an apocalyptic number.

144218747 is a deficient number, since it is larger than the sum of its proper divisors (1).

144218747 is an equidigital number, since it uses as much as digits as its factorization.

144218747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 144218747 is about 12009.1109995703. The cubic root of 144218747 is about 524.4135516554.

The spelling of 144218747 in words is "one hundred forty-four million, two hundred eighteen thousand, seven hundred forty-seven".