144520052 has 6 divisors (see below), whose sum is σ = 252910098. Its totient is φ = 72260024.

The previous prime is 144520007. The next prime is 144520073. The reversal of 144520052 is 250025441.

It is a happy number.

144520052 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., 141229456 + 3290596 = 11884^2 + 1814^2 .

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, 18065003 + ... + 18065010.

It is an arithmetic number, because the mean of its divisors is an integer number (42151683).

Almost surely, 2^144520052 is an apocalyptic number.

It is an amenable number.

144520052 is a deficient number, since it is larger than the sum of its proper divisors (108390046).

144520052 is a wasteful number, since it uses less digits than its factorization.

144520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36130017 (or 36130015 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 144520052 is about 12021.6493044840. The cubic root of 144520052 is about 524.7785030869.

Adding to 144520052 its reverse (250025441), we get a palindrome (394545493).

The spelling of 144520052 in words is "one hundred forty-four million, five hundred twenty thousand, fifty-two".