1145593543 has 4 divisors (see below), whose sum is σ = 1205887960. Its totient is φ = 1085299128.

The previous prime is 1145593541. The next prime is 1145593549. The reversal of 1145593543 is 3453955411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3453955411 = 47 ⋅73488413.

It is a cyclic number.

It is not a de Polignac number, because 1145593543 - 2¹ = 1145593541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145593496 and 1145593505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145593541) 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, 30147180 + ... + 30147217.

It is an arithmetic number, because the mean of its divisors is an integer number (301471990).

Almost surely, 2^1145593543 is an apocalyptic number.

1145593543 is a deficient number, since it is larger than the sum of its proper divisors (60294417).

1145593543 is an equidigital number, since it uses as much as digits as its factorization.

1145593543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60294416.

The product of its digits is 162000, while the sum is 40.

The square root of 1145593543 is about 33846.6178960321. The cubic root of 1145593543 is about 1046.3496957727.

The spelling of 1145593543 in words is "one billion, one hundred forty-five million, five hundred ninety-three thousand, five hundred forty-three".