144551252 has 6 divisors (see below), whose sum is σ = 252964698. Its totient is φ = 72275624.

The previous prime is 144551203. The next prime is 144551261. The reversal of 144551252 is 252155441.

144551252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 141039376 + 3511876 = 11876^2 + 1874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18068903 + ... + 18068910.

It is an arithmetic number, because the mean of its divisors is an integer number (42160783).

Almost surely, 2^144551252 is an apocalyptic number.

It is an amenable number.

144551252 is a deficient number, since it is larger than the sum of its proper divisors (108413446).

144551252 is a wasteful number, since it uses less digits than its factorization.

144551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36137817 (or 36137815 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 144551252 is about 12022.9468933369. The cubic root of 144551252 is about 524.8162646546.

The spelling of 144551252 in words is "one hundred forty-four million, five hundred fifty-one thousand, two hundred fifty-two".