243245141 has 8 divisors (see below), whose sum is σ = 254055840. Its totient is φ = 232657488.

The previous prime is 243245137. The next prime is 243245147. The reversal of 243245141 is 141542342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243245141 - 2² = 243245137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243245141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243245147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53531 + ... + 57896.

It is an arithmetic number, because the mean of its divisors is an integer number (31756980).

Almost surely, 2^243245141 is an apocalyptic number.

It is an amenable number.

243245141 is a deficient number, since it is larger than the sum of its proper divisors (10810699).

243245141 is a wasteful number, since it uses less digits than its factorization.

243245141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111523.

The product of its digits is 3840, while the sum is 26.

The square root of 243245141 is about 15596.3181873159. The cubic root of 243245141 is about 624.2349174735.

Adding to 243245141 its reverse (141542342), we get a palindrome (384787483).

The spelling of 243245141 in words is "two hundred forty-three million, two hundred forty-five thousand, one hundred forty-one".