243412145 has 8 divisors (see below), whose sum is σ = 292408704. Its totient is φ = 194520304.

The previous prime is 243412133. The next prime is 243412163. The reversal of 243412145 is 541214342.

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 243412145 - 2⁴ = 243412129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20969 + ... + 30438.

It is an arithmetic number, because the mean of its divisors is an integer number (36551088).

Almost surely, 2^243412145 is an apocalyptic number.

It is an amenable number.

243412145 is a deficient number, since it is larger than the sum of its proper divisors (48996559).

243412145 is an equidigital number, since it uses as much as digits as its factorization.

243412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52359.

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

The square root of 243412145 is about 15601.6712245836. The cubic root of 243412145 is about 624.3777444157.

Adding to 243412145 its reverse (541214342), we get a palindrome (784626487).

The spelling of 243412145 in words is "two hundred forty-three million, four hundred twelve thousand, one hundred forty-five".