253324144 has 20 divisors (see below), whose sum is σ = 491149120. Its totient is φ = 126576000.

The previous prime is 253324121. The next prime is 253324147. The reversal of 253324144 is 441423352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253324147) 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, 23644 + ... + 32644.

It is an arithmetic number, because the mean of its divisors is an integer number (24557456).

Almost surely, 2^253324144 is an apocalyptic number.

It is an amenable number.

253324144 is a deficient number, since it is larger than the sum of its proper divisors (237824976).

253324144 is a wasteful number, since it uses less digits than its factorization.

253324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10768 (or 10762 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 253324144 is about 15916.1598383530. The cubic root of 253324144 is about 632.7403464091.

Adding to 253324144 its reverse (441423352), we get a palindrome (694747496).

The spelling of 253324144 in words is "two hundred fifty-three million, three hundred twenty-four thousand, one hundred forty-four".