252089144 has 8 divisors (see below), whose sum is σ = 472667160. Its totient is φ = 126044568.

The previous prime is 252089137. The next prime is 252089171. The reversal of 252089144 is 441980252.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15755564 + ... + 15755579.

It is an arithmetic number, because the mean of its divisors is an integer number (59083395).

Almost surely, 2^252089144 is an apocalyptic number.

It is an amenable number.

252089144 is a deficient number, since it is larger than the sum of its proper divisors (220578016).

252089144 is a wasteful number, since it uses less digits than its factorization.

252089144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31511149 (or 31511145 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 252089144 is about 15877.3153902037. The cubic root of 252089144 is about 631.7104305565.

The spelling of 252089144 in words is "two hundred fifty-two million, eighty-nine thousand, one hundred forty-four".