1145073343 has 4 divisors (see below), whose sum is σ = 1145282608. Its totient is φ = 1144864080.

The previous prime is 1145073341. The next prime is 1145073383. The reversal of 1145073343 is 3433705411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3433705411 = 677 ⋅5071943.

It is a cyclic number.

It is not a de Polignac number, because 1145073343 - 2¹ = 1145073341 is a prime.

It is a super-2 number, since 2×1145073343² = 2622385921698391298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145073341) 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, 96198 + ... + 107443.

It is an arithmetic number, because the mean of its divisors is an integer number (286320652).

Almost surely, 2^1145073343 is an apocalyptic number.

1145073343 is a deficient number, since it is larger than the sum of its proper divisors (209265).

1145073343 is an equidigital number, since it uses as much as digits as its factorization.

1145073343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209264.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1145073343 is about 33838.9323560895. The cubic root of 1145073343 is about 1046.1912935994.

Adding to 1145073343 its reverse (3433705411), we get a palindrome (4578778754).

The spelling of 1145073343 in words is "one billion, one hundred forty-five million, seventy-three thousand, three hundred forty-three".