252144426 has 16 divisors (see below), whose sum is σ = 513804384. Its totient is φ = 82462224.

The previous prime is 252144407. The next prime is 252144439. The reversal of 252144426 is 624441252.

It is a junction number, because it is equal to n+sod(n) for n = 252144393 and 252144402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396136 + ... + 396771.

It is an arithmetic number, because the mean of its divisors is an integer number (32112774).

Almost surely, 2^252144426 is an apocalyptic number.

252144426 is an abundant number, since it is smaller than the sum of its proper divisors (261659958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252144426 is a wasteful number, since it uses less digits than its factorization.

252144426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792965.

The product of its digits is 15360, while the sum is 30.

The square root of 252144426 is about 15879.0562062107. The cubic root of 252144426 is about 631.7566042539.

Adding to 252144426 its reverse (624441252), we get a palindrome (876585678).

The spelling of 252144426 in words is "two hundred fifty-two million, one hundred forty-four thousand, four hundred twenty-six".