1144240233 has 8 divisors (see below), whose sum is σ = 1615398048. Its totient is φ = 717954624.

The previous prime is 1144240231. The next prime is 1144240243. The reversal of 1144240233 is 3320424411.

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

It is not a de Polignac number, because 1144240233 - 2¹ = 1144240231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144240231) 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, 11217991 + ... + 11218092.

It is an arithmetic number, because the mean of its divisors is an integer number (201924756).

Almost surely, 2^1144240233 is an apocalyptic number.

It is an amenable number.

1144240233 is a deficient number, since it is larger than the sum of its proper divisors (471157815).

1144240233 is a wasteful number, since it uses less digits than its factorization.

1144240233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22436103.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1144240233 is about 33826.6201829269. The cubic root of 1144240233 is about 1045.9375095956.

Adding to 1144240233 its reverse (3320424411), we get a palindrome (4464664644).

The spelling of 1144240233 in words is "one billion, one hundred forty-four million, two hundred forty thousand, two hundred thirty-three".