144746387 has 2 divisors, whose sum is σ = 144746388. Its totient is φ = 144746386.

The previous prime is 144746377. The next prime is 144746419. The reversal of 144746387 is 783647441.

It is a weak prime.

It is an emirp because it is prime and its reverse (783647441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144746387 - 2⁸ = 144746131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144746377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72373193 + 72373194.

It is an arithmetic number, because the mean of its divisors is an integer number (72373194).

Almost surely, 2^144746387 is an apocalyptic number.

144746387 is a deficient number, since it is larger than the sum of its proper divisors (1).

144746387 is an equidigital number, since it uses as much as digits as its factorization.

144746387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The square root of 144746387 is about 12031.0592634232. The cubic root of 144746387 is about 525.0523146659.

The spelling of 144746387 in words is "one hundred forty-four million, seven hundred forty-six thousand, three hundred eighty-seven".