1145964341 has 4 divisors (see below), whose sum is σ = 1146196800. Its totient is φ = 1145731884.

The previous prime is 1145964299. The next prime is 1145964349. The reversal of 1145964341 is 1434695411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1434695411 = 41 ⋅34992571.

It is a cyclic number.

It is not a de Polignac number, because 1145964341 - 2¹⁰ = 1145963317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145964295 and 1145964304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145964349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108671 + ... + 118748.

It is an arithmetic number, because the mean of its divisors is an integer number (286549200).

Almost surely, 2^1145964341 is an apocalyptic number.

It is an amenable number.

1145964341 is a deficient number, since it is larger than the sum of its proper divisors (232459).

1145964341 is an equidigital number, since it uses as much as digits as its factorization.

1145964341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232458.

The product of its digits is 51840, while the sum is 38.

The square root of 1145964341 is about 33852.0950754898. The cubic root of 1145964341 is about 1046.4625754016.

The spelling of 1145964341 in words is "one billion, one hundred forty-five million, nine hundred sixty-four thousand, three hundred forty-one".