1154325243 has 16 divisors (see below), whose sum is σ = 1549237536. Its totient is φ = 764494080.

The previous prime is 1154325229. The next prime is 1154325257. The reversal of 1154325243 is 3425234511.

It is an interprime number because it is at equal distance from previous prime (1154325229) and next prime (1154325257).

It is not a de Polignac number, because 1154325243 - 2²⁰ = 1153276667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1154325243.

It is not an unprimeable number, because it can be changed into a prime (1154325343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602455 + ... + 604367.

It is an arithmetic number, because the mean of its divisors is an integer number (96827346).

Almost surely, 2^1154325243 is an apocalyptic number.

1154325243 is a deficient number, since it is larger than the sum of its proper divisors (394912293).

1154325243 is a wasteful number, since it uses less digits than its factorization.

1154325243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its digits is 14400, while the sum is 30.

The square root of 1154325243 is about 33975.3622938741. The cubic root of 1154325243 is about 1049.0013916121.

Adding to 1154325243 its reverse (3425234511), we get a palindrome (4579559754).

The spelling of 1154325243 in words is "one billion, one hundred fifty-four million, three hundred twenty-five thousand, two hundred forty-three".