1144454233 has 8 divisors (see below), whose sum is σ = 1236045888. Its totient is φ = 1053370704.

The previous prime is 1144454107. The next prime is 1144454287. The reversal of 1144454233 is 3324544411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144454233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144454195 and 1144454204.

It is not an unprimeable number, because it can be changed into a prime (1144452233) 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, 122341 + ... + 131362.

It is an arithmetic number, because the mean of its divisors is an integer number (154505736).

Almost surely, 2^1144454233 is an apocalyptic number.

1144454233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1144454233 is a deficient number, since it is larger than the sum of its proper divisors (91591655).

1144454233 is a wasteful number, since it uses less digits than its factorization.

1144454233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254063.

The product of its digits is 23040, while the sum is 31.

The square root of 1144454233 is about 33829.7832242537. The cubic root of 1144454233 is about 1046.0027105526.

Adding to 1144454233 its reverse (3324544411), we get a palindrome (4468998644).

The spelling of 1144454233 in words is "one billion, one hundred forty-four million, four hundred fifty-four thousand, two hundred thirty-three".