243155348 has 6 divisors (see below), whose sum is σ = 425521866. Its totient is φ = 121577672.

The previous prime is 243155323. The next prime is 243155371. The reversal of 243155348 is 843551342.

243155348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 240808324 + 2347024 = 15518^2 + 1532^2 .

It is a super-2 number, since 2×243155348² = 118249046522002208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30394415 + ... + 30394422.

It is an arithmetic number, because the mean of its divisors is an integer number (70920311).

Almost surely, 2^243155348 is an apocalyptic number.

It is an amenable number.

243155348 is a deficient number, since it is larger than the sum of its proper divisors (182366518).

243155348 is a wasteful number, since it uses less digits than its factorization.

243155348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60788841 (or 60788839 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 243155348 is about 15593.4392614330. The cubic root of 243155348 is about 624.1580967207.

The spelling of 243155348 in words is "two hundred forty-three million, one hundred fifty-five thousand, three hundred forty-eight".