253645148 has 12 divisors (see below), whose sum is σ = 446360040. Its totient is φ = 126113712.

The previous prime is 253645141. The next prime is 253645153. The reversal of 253645148 is 841546352.

It is a super-2 number, since 2×253645148² = 128671722207883808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253645141) 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, 176411 + ... + 177842.

It is an arithmetic number, because the mean of its divisors is an integer number (37196670).

Almost surely, 2^253645148 is an apocalyptic number.

It is an amenable number.

253645148 is a deficient number, since it is larger than the sum of its proper divisors (192714892).

253645148 is a wasteful number, since it uses less digits than its factorization.

253645148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354436 (or 354434 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 253645148 is about 15926.2408621746. The cubic root of 253645148 is about 633.0074961656.

The spelling of 253645148 in words is "two hundred fifty-three million, six hundred forty-five thousand, one hundred forty-eight".