1145534345 has 4 divisors (see below), whose sum is σ = 1374641220. Its totient is φ = 916427472.

The previous prime is 1145534333. The next prime is 1145534359. The reversal of 1145534345 is 5434355411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 373416976 + 772117369 = 19324^2 + 27787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145534345 is a prime.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114553430 + ... + 114553439.

It is an arithmetic number, because the mean of its divisors is an integer number (343660305).

Almost surely, 2^1145534345 is an apocalyptic number.

It is an amenable number.

1145534345 is a deficient number, since it is larger than the sum of its proper divisors (229106875).

1145534345 is an equidigital number, since it uses as much as digits as its factorization.

1145534345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229106874.

The product of its digits is 72000, while the sum is 35.

The square root of 1145534345 is about 33845.7433808153. The cubic root of 1145534345 is about 1046.3316722551.

Adding to 1145534345 its reverse (5434355411), we get a palindrome (6579889756).

The spelling of 1145534345 in words is "one billion, one hundred forty-five million, five hundred thirty-four thousand, three hundred forty-five".