144430004 has 6 divisors (see below), whose sum is σ = 252752514. Its totient is φ = 72215000.

The previous prime is 144429997. The next prime is 144430007. The reversal of 144430004 is 400034441.

It can be written as a sum of positive squares in only one way, i.e., 140469904 + 3960100 = 11852^2 + 1990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144430007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18053747 + ... + 18053754.

It is an arithmetic number, because the mean of its divisors is an integer number (42125419).

Almost surely, 2^144430004 is an apocalyptic number.

It is an amenable number.

144430004 is a deficient number, since it is larger than the sum of its proper divisors (108322510).

144430004 is a wasteful number, since it uses less digits than its factorization.

144430004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36107505 (or 36107503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144430004 is about 12017.9034777286. The cubic root of 144430004 is about 524.6694869053.

Adding to 144430004 its reverse (400034441), we get a palindrome (544464445).

The spelling of 144430004 in words is "one hundred forty-four million, four hundred thirty thousand, four".