1145304343 has 4 divisors (see below), whose sum is σ = 1195100208. Its totient is φ = 1095508480.

The previous prime is 1145304313. The next prime is 1145304359. The reversal of 1145304343 is 3434035411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145304343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145304313) 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, 24897898 + ... + 24897943.

It is an arithmetic number, because the mean of its divisors is an integer number (298775052).

Almost surely, 2^1145304343 is an apocalyptic number.

1145304343 is a deficient number, since it is larger than the sum of its proper divisors (49795865).

1145304343 is an equidigital number, since it uses as much as digits as its factorization.

1145304343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49795864.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1145304343 is about 33842.3454122199. The cubic root of 1145304343 is about 1046.2616395853.

Adding to 1145304343 its reverse (3434035411), we get a palindrome (4579339754).

The spelling of 1145304343 in words is "one billion, one hundred forty-five million, three hundred four thousand, three hundred forty-three".