252065144 has 8 divisors (see below), whose sum is σ = 472622160. Its totient is φ = 126032568.

The previous prime is 252065081. The next prime is 252065173. The reversal of 252065144 is 441560252.

252065144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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, 15754064 + ... + 15754079.

It is an arithmetic number, because the mean of its divisors is an integer number (59077770).

Almost surely, 2^252065144 is an apocalyptic number.

It is an amenable number.

252065144 is a deficient number, since it is larger than the sum of its proper divisors (220557016).

252065144 is a wasteful number, since it uses less digits than its factorization.

252065144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31508149 (or 31508145 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 252065144 is about 15876.5595769361. The cubic root of 252065144 is about 631.6903827125.

The spelling of 252065144 in words is "two hundred fifty-two million, sixty-five thousand, one hundred forty-four".