144419330 has 32 divisors (see below), whose sum is σ = 288249408. Its totient is φ = 51652800.

The previous prime is 144419279. The next prime is 144419377. The reversal of 144419330 is 33914441.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144419293 and 144419302.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4052 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (9007794).

Almost surely, 2^144419330 is an apocalyptic number.

144419330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144419330 is a deficient number, since it is larger than the sum of its proper divisors (143830078).

144419330 is a wasteful number, since it uses less digits than its factorization.

144419330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21602.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 144419330 is about 12017.4593820824. The cubic root of 144419330 is about 524.6565614745.

The spelling of 144419330 in words is "one hundred forty-four million, four hundred nineteen thousand, three hundred thirty".