144189607 has 2 divisors, whose sum is σ = 144189608. Its totient is φ = 144189606.

The previous prime is 144189589. The next prime is 144189659. The reversal of 144189607 is 706981441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144189607 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 144189607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144189667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72094803 + 72094804.

It is an arithmetic number, because the mean of its divisors is an integer number (72094804).

Almost surely, 2^144189607 is an apocalyptic number.

144189607 is a deficient number, since it is larger than the sum of its proper divisors (1).

144189607 is an equidigital number, since it uses as much as digits as its factorization.

144189607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 144189607 is about 12007.8976927687. The cubic root of 144189607 is about 524.3782292937.

It can be divided in two parts, 14418 and 9607, that added together give a square (24025 = 155²).

The spelling of 144189607 in words is "one hundred forty-four million, one hundred eighty-nine thousand, six hundred seven".