1143450245 has 8 divisors (see below), whose sum is σ = 1568160384. Its totient is φ = 784080144.

The previous prime is 1143450241. The next prime is 1143450289. The reversal of 1143450245 is 5420543411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143450245 - 2² = 1143450241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143450241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16334969 + ... + 16335038.

It is an arithmetic number, because the mean of its divisors is an integer number (196020048).

Almost surely, 2^1143450245 is an apocalyptic number.

It is an amenable number.

1143450245 is a deficient number, since it is larger than the sum of its proper divisors (424710139).

1143450245 is an equidigital number, since it uses as much as digits as its factorization.

1143450245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32670019.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1143450245 is about 33814.9411503258. The cubic root of 1143450245 is about 1045.6967477097.

Adding to 1143450245 its reverse (5420543411), we get a palindrome (6563993656).

The spelling of 1143450245 in words is "one billion, one hundred forty-three million, four hundred fifty thousand, two hundred forty-five".