243248153 has 2 divisors, whose sum is σ = 243248154. Its totient is φ = 243248152.

The previous prime is 243248147. The next prime is 243248167. The reversal of 243248153 is 351842342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189255049 + 53993104 = 13757^2 + 7348^2 .

It is a cyclic number.

It is not a de Polignac number, because 243248153 - 2⁸ = 243247897 is a prime.

It is a super-2 number, since 2×243248153² = 118339327875822818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243248113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121624076 + 121624077.

It is an arithmetic number, because the mean of its divisors is an integer number (121624077).

Almost surely, 2^243248153 is an apocalyptic number.

It is an amenable number.

243248153 is a deficient number, since it is larger than the sum of its proper divisors (1).

243248153 is an equidigital number, since it uses as much as digits as its factorization.

243248153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 243248153 is about 15596.4147482683. The cubic root of 243248153 is about 624.2374940070.

The spelling of 243248153 in words is "two hundred forty-three million, two hundred forty-eight thousand, one hundred fifty-three".