1145205343 has 2 divisors, whose sum is σ = 1145205344. Its totient is φ = 1145205342.

The previous prime is 1145205329. The next prime is 1145205349. The reversal of 1145205343 is 3435025411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145205343 - 2⁵ = 1145205311 is a prime.

It is a super-2 number, since 2×1145205343² = 2622990555271495298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145205349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572602671 + 572602672.

It is an arithmetic number, because the mean of its divisors is an integer number (572602672).

Almost surely, 2^1145205343 is an apocalyptic number.

1145205343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145205343 is an equidigital number, since it uses as much as digits as its factorization.

1145205343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1145205343 is about 33840.8827160286. The cubic root of 1145205343 is about 1046.2314924640.

The spelling of 1145205343 in words is "one billion, one hundred forty-five million, two hundred five thousand, three hundred forty-three".