1145135345 has 8 divisors (see below), whose sum is σ = 1376196264. Its totient is φ = 914752384.

The previous prime is 1145135309. The next prime is 1145135347. The reversal of 1145135345 is 5435315411.

It can be written as a sum of positive squares in 4 ways, for example, as 204118369 + 941016976 = 14287^2 + 30676^2 .

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 1145135345 - 2⁶ = 1145135281 is a prime.

It is a super-2 number, since 2×1145135345² = 2622669916736538050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145135347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165764 + ... + 172533.

It is an arithmetic number, because the mean of its divisors is an integer number (172024533).

Almost surely, 2^1145135345 is an apocalyptic number.

It is an amenable number.

1145135345 is a deficient number, since it is larger than the sum of its proper divisors (231060919).

1145135345 is an equidigital number, since it uses as much as digits as its factorization.

1145135345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338979.

The product of its digits is 18000, while the sum is 32.

The square root of 1145135345 is about 33839.8484777932. The cubic root of 1145135345 is about 1046.2101758781.

The spelling of 1145135345 in words is "one billion, one hundred forty-five million, one hundred thirty-five thousand, three hundred forty-five".