1155245343 has 8 divisors (see below), whose sum is σ = 1760373888. Its totient is φ = 660140184.

The previous prime is 1155245327. The next prime is 1155245369. The reversal of 1155245343 is 3435425511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1155245343 - 2⁴ = 1155245327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155245303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27505821 + ... + 27505862.

It is an arithmetic number, because the mean of its divisors is an integer number (220046736).

Almost surely, 2^1155245343 is an apocalyptic number.

1155245343 is a deficient number, since it is larger than the sum of its proper divisors (605128545).

1155245343 is an equidigital number, since it uses as much as digits as its factorization.

1155245343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55011693.

The product of its digits is 36000, while the sum is 33.

The square root of 1155245343 is about 33988.9002911245. The cubic root of 1155245343 is about 1049.2800334285.

The spelling of 1155245343 in words is "one billion, one hundred fifty-five million, two hundred forty-five thousand, three hundred forty-three".