144424419 has 8 divisors (see below), whose sum is σ = 193062480. Its totient is φ = 96034656.

The previous prime is 144424391. The next prime is 144424421. The reversal of 144424419 is 914424441.

It is a happy number.

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

It is not a de Polignac number, because 144424419 - 2⁹ = 144423907 is a prime.

It is a super-2 number, since 2×144424419² = 41716825606975122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144424419.

It is not an unprimeable number, because it can be changed into a prime (144424499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60712 + ... + 63045.

It is an arithmetic number, because the mean of its divisors is an integer number (24132810).

Almost surely, 2^144424419 is an apocalyptic number.

144424419 is a deficient number, since it is larger than the sum of its proper divisors (48638061).

144424419 is a wasteful number, since it uses less digits than its factorization.

144424419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124149.

The product of its digits is 18432, while the sum is 33.

The square root of 144424419 is about 12017.6711138223. The cubic root of 144424419 is about 524.6627239595.

The spelling of 144424419 in words is "one hundred forty-four million, four hundred twenty-four thousand, four hundred nineteen".