253204144 has 20 divisors (see below), whose sum is σ = 495643624. Its totient is φ = 125296128.

The previous prime is 253204141. The next prime is 253204163. The reversal of 253204144 is 441402352.

It is a happy number.

It is a super-2 number, since 2×253204144² = 128224677077545472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253204141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80022 + ... + 83125.

Almost surely, 2^253204144 is an apocalyptic number.

It is an amenable number.

253204144 is a deficient number, since it is larger than the sum of its proper divisors (242439480).

253204144 is a wasteful number, since it uses less digits than its factorization.

253204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163252 (or 163246 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 253204144 is about 15912.3896382662. The cubic root of 253204144 is about 632.6404206345.

Adding to 253204144 its reverse (441402352), we get a palindrome (694606496).

The spelling of 253204144 in words is "two hundred fifty-three million, two hundred four thousand, one hundred forty-four".