1145325413 has 4 divisors (see below), whose sum is σ = 1146026700. Its totient is φ = 1144624128.

The previous prime is 1145325367. The next prime is 1145325427. The reversal of 1145325413 is 3145235411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3145235411 = 5849 ⋅537739.

It can be written as a sum of positive squares in 2 ways, for example, as 372374209 + 772951204 = 19297^2 + 27802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145325413 - 2⁸ = 1145325157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145325443) 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, 348188 + ... + 351461.

It is an arithmetic number, because the mean of its divisors is an integer number (286506675).

Almost surely, 2^1145325413 is an apocalyptic number.

It is an amenable number.

1145325413 is a deficient number, since it is larger than the sum of its proper divisors (701287).

1145325413 is an equidigital number, since it uses as much as digits as its factorization.

1145325413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701286.

The product of its digits is 7200, while the sum is 29.

The square root of 1145325413 is about 33842.6567071795. The cubic root of 1145325413 is about 1046.2680555211.

The spelling of 1145325413 in words is "one billion, one hundred forty-five million, three hundred twenty-five thousand, four hundred thirteen".