144430052 has 12 divisors (see below), whose sum is σ = 272195196. Its totient is φ = 66660000.

The previous prime is 144430051. The next prime is 144430073. The reversal of 144430052 is 250034441.

It can be written as a sum of positive squares in 2 ways, for example, as 19571776 + 124858276 = 4424^2 + 11174^2 .

It is not an unprimeable number, because it can be changed into a prime (144430051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388699 + ... + 1388802.

It is an arithmetic number, because the mean of its divisors is an integer number (22682933).

Almost surely, 2^144430052 is an apocalyptic number.

It is an amenable number.

144430052 is a deficient number, since it is larger than the sum of its proper divisors (127765144).

144430052 is a wasteful number, since it uses less digits than its factorization.

144430052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777518 (or 2777516 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144430052 is about 12017.9054747489. The cubic root of 144430052 is about 524.6695450283.

Adding to 144430052 its reverse (250034441), we get a palindrome (394464493).

The spelling of 144430052 in words is "one hundred forty-four million, four hundred thirty thousand, fifty-two".