1145325385 has 4 divisors (see below), whose sum is σ = 1374390468. Its totient is φ = 916260304.

The previous prime is 1145325367. The next prime is 1145325427. The reversal of 1145325385 is 5835235411.

1145325385 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5835235411 = 2741 ⋅2128871.

It can be written as a sum of positive squares in 2 ways, for example, as 769896009 + 375429376 = 27747^2 + 19376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145325385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 114532534 + ... + 114532543.

It is an arithmetic number, because the mean of its divisors is an integer number (343597617).

Almost surely, 2^1145325385 is an apocalyptic number.

It is an amenable number.

1145325385 is a deficient number, since it is larger than the sum of its proper divisors (229065083).

1145325385 is an equidigital number, since it uses as much as digits as its factorization.

1145325385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229065082.

The product of its digits is 72000, while the sum is 37.

The square root of 1145325385 is about 33842.6562935004. The cubic root of 1145325385 is about 1046.2680469950.

The spelling of 1145325385 in words is "one billion, one hundred forty-five million, three hundred twenty-five thousand, three hundred eighty-five".