144238659 has 8 divisors (see below), whose sum is σ = 203631120. Its totient is φ = 90502656.

The previous prime is 144238643. The next prime is 144238667. The reversal of 144238659 is 956832441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144238659 - 2⁴ = 144238643 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 144238659.

It is not an unprimeable number, because it can be changed into a prime (144238639) 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 in 7 ways as a sum of consecutive naturals, for example, 1414054 + ... + 1414155.

It is an arithmetic number, because the mean of its divisors is an integer number (25453890).

Almost surely, 2^144238659 is an apocalyptic number.

144238659 is a deficient number, since it is larger than the sum of its proper divisors (59392461).

144238659 is a wasteful number, since it uses less digits than its factorization.

144238659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828229.

The product of its digits is 207360, while the sum is 42.

The square root of 144238659 is about 12009.9400081766. The cubic root of 144238659 is about 524.4376854622.

The spelling of 144238659 in words is "one hundred forty-four million, two hundred thirty-eight thousand, six hundred fifty-nine".