1145111343 has 4 divisors (see below), whose sum is σ = 1526815128. Its totient is φ = 763407560.

The previous prime is 1145111333. The next prime is 1145111351. The reversal of 1145111343 is 3431115411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431115411 = 3 ⋅1143705137.

It is a cyclic number.

It is not a de Polignac number, because 1145111343 - 2⁸ = 1145111087 is a prime.

It is a super-2 number, since 2×1145111343² = 2622559975734527298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145111333) 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 3 ways as a sum of consecutive naturals, for example, 190851888 + ... + 190851893.

It is an arithmetic number, because the mean of its divisors is an integer number (381703782).

Almost surely, 2^1145111343 is an apocalyptic number.

1145111343 is a deficient number, since it is larger than the sum of its proper divisors (381703785).

1145111343 is an equidigital number, since it uses as much as digits as its factorization.

1145111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381703784.

The product of its digits is 720, while the sum is 24.

The square root of 1145111343 is about 33839.4938348670. The cubic root of 1145111343 is about 1046.2028663165.

Adding to 1145111343 its reverse (3431115411), we get a palindrome (4576226754).

The spelling of 1145111343 in words is "one billion, one hundred forty-five million, one hundred eleven thousand, three hundred forty-three".