144321004 has 12 divisors (see below), whose sum is σ = 252703584. Its totient is φ = 72119984.

The previous prime is 144320999. The next prime is 144321019. The reversal of 144321004 is 400123441.

It is an unprimeable number.

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, 1252 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (21058632).

Almost surely, 2^144321004 is an apocalyptic number.

It is an amenable number.

144321004 is a deficient number, since it is larger than the sum of its proper divisors (108382580).

144321004 is a wasteful number, since it uses less digits than its factorization.

144321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20264 (or 20262 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144321004 is about 12013.3677210015. The cubic root of 144321004 is about 524.5374659374.

Adding to 144321004 its reverse (400123441), we get a palindrome (544444445).

The spelling of 144321004 in words is "one hundred forty-four million, three hundred twenty-one thousand, four".