144422004 has 24 divisors (see below), whose sum is σ = 356807808. Its totient is φ = 45308800.

The previous prime is 144421969. The next prime is 144422009. The reversal of 144422004 is 400224441.

144422004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353772 + ... + 354179.

It is an arithmetic number, because the mean of its divisors is an integer number (14866992).

Almost surely, 2^144422004 is an apocalyptic number.

It is an amenable number.

144422004 is an abundant number, since it is smaller than the sum of its proper divisors (212385804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144422004 is a wasteful number, since it uses less digits than its factorization.

144422004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707975 (or 707973 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 144422004 is about 12017.5706363641. The cubic root of 144422004 is about 524.6597995521.

Adding to 144422004 its reverse (400224441), we get a palindrome (544646445).

The spelling of 144422004 in words is "one hundred forty-four million, four hundred twenty-two thousand, four".