243145011 has 8 divisors (see below), whose sum is σ = 324374464. Its totient is φ = 162006120.

The previous prime is 243145009. The next prime is 243145027. The reversal of 243145011 is 110541342.

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

It is not a de Polignac number, because 243145011 - 2¹ = 243145009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243145031) 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, 16105 + ... + 27306.

It is an arithmetic number, because the mean of its divisors is an integer number (40546808).

Almost surely, 2^243145011 is an apocalyptic number.

243145011 is a deficient number, since it is larger than the sum of its proper divisors (81229453).

243145011 is a wasteful number, since it uses less digits than its factorization.

243145011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45281.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 243145011 is about 15593.1078044115. The cubic root of 243145011 is about 624.1492518763.

Adding to 243145011 its reverse (110541342), we get a palindrome (353686353).

The spelling of 243145011 in words is "two hundred forty-three million, one hundred forty-five thousand, eleven".