144968387 has 2 divisors, whose sum is σ = 144968388. Its totient is φ = 144968386.

The previous prime is 144968377. The next prime is 144968407. The reversal of 144968387 is 783869441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144968387 - 2⁴ = 144968371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144968377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72484193 + 72484194.

It is an arithmetic number, because the mean of its divisors is an integer number (72484194).

Almost surely, 2^144968387 is an apocalyptic number.

144968387 is a deficient number, since it is larger than the sum of its proper divisors (1).

144968387 is an equidigital number, since it uses as much as digits as its factorization.

144968387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 144968387 is about 12040.2818488605. The cubic root of 144968387 is about 525.3206047793.

The spelling of 144968387 in words is "one hundred forty-four million, nine hundred sixty-eight thousand, three hundred eighty-seven".