1154452241 has 4 divisors (see below), whose sum is σ = 1157058672. Its totient is φ = 1151845812.

The previous prime is 1154452231. The next prime is 1154452249. The reversal of 1154452241 is 1422544511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1422544511 = 29 ⋅49053259.

It is a cyclic number.

It is not a de Polignac number, because 1154452241 - 2⁶ = 1154452177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154452249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302551 + ... + 1303436.

It is an arithmetic number, because the mean of its divisors is an integer number (289264668).

Almost surely, 2^1154452241 is an apocalyptic number.

It is an amenable number.

1154452241 is a deficient number, since it is larger than the sum of its proper divisors (2606431).

1154452241 is an equidigital number, since it uses as much as digits as its factorization.

1154452241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606430.

The product of its digits is 6400, while the sum is 29.

The square root of 1154452241 is about 33977.2312144471. The cubic root of 1154452241 is about 1049.0398603175.

Adding to 1154452241 its reverse (1422544511), we get a palindrome (2576996752).

The spelling of 1154452241 in words is "one billion, one hundred fifty-four million, four hundred fifty-two thousand, two hundred forty-one".