1151442343 has 4 divisors (see below), whose sum is σ = 1152185328. Its totient is φ = 1150699360.

The previous prime is 1151442337. The next prime is 1151442367. The reversal of 1151442343 is 3432441511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3432441511 = 83 ⋅41354717.

It is a cyclic number.

It is not a de Polignac number, because 1151442343 - 2⁵ = 1151442311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151442443) 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, 369163 + ... + 372268.

It is an arithmetic number, because the mean of its divisors is an integer number (288046332).

Almost surely, 2^1151442343 is an apocalyptic number.

1151442343 is a deficient number, since it is larger than the sum of its proper divisors (742985).

1151442343 is an equidigital number, since it uses as much as digits as its factorization.

1151442343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742984.

The product of its digits is 5760, while the sum is 28.

The square root of 1151442343 is about 33932.9094390681. The cubic root of 1151442343 is about 1048.1273782079.

Adding to 1151442343 its reverse (3432441511), we get a palindrome (4583883854).

The spelling of 1151442343 in words is "one billion, one hundred fifty-one million, four hundred forty-two thousand, three hundred forty-three".