144590387 has 2 divisors, whose sum is σ = 144590388. Its totient is φ = 144590386.

The previous prime is 144590359. The next prime is 144590419. The reversal of 144590387 is 783095441.

It is a weak prime.

It is an emirp because it is prime and its reverse (783095441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144590387 is a prime.

It is not a weakly prime, because it can be changed into another prime (144599387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72295193 + 72295194.

It is an arithmetic number, because the mean of its divisors is an integer number (72295194).

Almost surely, 2^144590387 is an apocalyptic number.

144590387 is a deficient number, since it is larger than the sum of its proper divisors (1).

144590387 is an equidigital number, since it uses as much as digits as its factorization.

144590387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 144590387 is about 12024.5742959990. The cubic root of 144590387 is about 524.8636223242.

The spelling of 144590387 in words is "one hundred forty-four million, five hundred ninety thousand, three hundred eighty-seven".