144209229 has 8 divisors (see below), whose sum is σ = 196750752. Its totient is φ = 93903600.

The previous prime is 144209227. The next prime is 144209231. The reversal of 144209229 is 922902441.

It is an interprime number because it is at equal distance from previous prime (144209227) and next prime (144209231).

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

It is not a de Polignac number, because 144209229 - 2¹ = 144209227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144209229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144209227) 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 in 7 ways as a sum of consecutive naturals, for example, 558822 + ... + 559079.

It is an arithmetic number, because the mean of its divisors is an integer number (24593844).

Almost surely, 2^144209229 is an apocalyptic number.

It is an amenable number.

144209229 is a deficient number, since it is larger than the sum of its proper divisors (52541523).

144209229 is a wasteful number, since it uses less digits than its factorization.

144209229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117947.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 144209229 is about 12008.7147105758. The cubic root of 144209229 is about 524.4020148335.

The spelling of 144209229 in words is "one hundred forty-four million, two hundred nine thousand, two hundred twenty-nine".