1141343305 has 16 divisors (see below), whose sum is σ = 1378275840. Its totient is φ = 907316928.

The previous prime is 1141343303. The next prime is 1141343323. The reversal of 1141343305 is 5033431411.

It is a cyclic number.

It is not a de Polignac number, because 1141343305 - 2¹ = 1141343303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141343305.

It is not an unprimeable number, because it can be changed into a prime (1141343303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875284 + ... + 876586.

It is an arithmetic number, because the mean of its divisors is an integer number (86142240).

Almost surely, 2^1141343305 is an apocalyptic number.

It is an amenable number.

1141343305 is a deficient number, since it is larger than the sum of its proper divisors (236932535).

1141343305 is a wasteful number, since it uses less digits than its factorization.

1141343305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1141343305 is about 33783.7728058901. The cubic root of 1141343305 is about 1045.0540802121.

Adding to 1141343305 its reverse (5033431411), we get a palindrome (6174774716).

The spelling of 1141343305 in words is "one billion, one hundred forty-one million, three hundred forty-three thousand, three hundred five".