1145352347 has 4 divisors (see below), whose sum is σ = 1149428616. Its totient is φ = 1141276080.

The previous prime is 1145352323. The next prime is 1145352371. The reversal of 1145352347 is 7432535411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7432535411 = 7 ⋅1061790773.

It is an interprime number because it is at equal distance from previous prime (1145352323) and next prime (1145352371).

It is a cyclic number.

It is not a de Polignac number, because 1145352347 - 2⁶ = 1145352283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145352647) 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, 2037713 + ... + 2038274.

It is an arithmetic number, because the mean of its divisors is an integer number (287357154).

Almost surely, 2^1145352347 is an apocalyptic number.

1145352347 is a deficient number, since it is larger than the sum of its proper divisors (4076269).

1145352347 is an equidigital number, since it uses as much as digits as its factorization.

1145352347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076268.

The product of its digits is 50400, while the sum is 35.

The square root of 1145352347 is about 33843.0546345923. The cubic root of 1145352347 is about 1046.2762569640.

Adding to 1145352347 its reverse (7432535411), we get a palindrome (8577887758).

The spelling of 1145352347 in words is "one billion, one hundred forty-five million, three hundred fifty-two thousand, three hundred forty-seven".