1154453233 has 2 divisors, whose sum is σ = 1154453234. Its totient is φ = 1154453232.

The previous prime is 1154453231. The next prime is 1154453249. The reversal of 1154453233 is 3323544511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722104384 + 432348849 = 26872^2 + 20793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154453233 - 2¹ = 1154453231 is a prime.

Together with 1154453231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1154453195 and 1154453204.

It is not a weakly prime, because it can be changed into another prime (1154453231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577226616 + 577226617.

It is an arithmetic number, because the mean of its divisors is an integer number (577226617).

Almost surely, 2^1154453233 is an apocalyptic number.

It is an amenable number.

1154453233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154453233 is an equidigital number, since it uses as much as digits as its factorization.

1154453233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 1154453233 is about 33977.2458124551. The cubic root of 1154453233 is about 1049.0401607911.

Adding to 1154453233 its reverse (3323544511), we get a palindrome (4477997744).

The spelling of 1154453233 in words is "one billion, one hundred fifty-four million, four hundred fifty-three thousand, two hundred thirty-three".