144466319 has 4 divisors (see below), whose sum is σ = 145744896. Its totient is φ = 143187744.

The previous prime is 144466307. The next prime is 144466321. The reversal of 144466319 is 913664441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144466319 - 2¹⁶ = 144400783 is a prime.

It is a super-2 number, since 2×144466319² = 41741034650819522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144466339) 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 3 ways as a sum of consecutive naturals, for example, 639119 + ... + 639344.

It is an arithmetic number, because the mean of its divisors is an integer number (36436224).

Almost surely, 2^144466319 is an apocalyptic number.

144466319 is a deficient number, since it is larger than the sum of its proper divisors (1278577).

144466319 is a wasteful number, since it uses less digits than its factorization.

144466319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278576.

The product of its digits is 62208, while the sum is 38.

The square root of 144466319 is about 12019.4142536149. The cubic root of 144466319 is about 524.7134569374.

The spelling of 144466319 in words is "one hundred forty-four million, four hundred sixty-six thousand, three hundred nineteen".