1145113143 has 16 divisors (see below), whose sum is σ = 1533221760. Its totient is φ = 760215456.

The previous prime is 1145113141. The next prime is 1145113159. The reversal of 1145113143 is 3413115411.

It is not a de Polignac number, because 1145113143 - 2¹ = 1145113141 is a prime.

It is a super-2 number, since 2×1145113143² = 2622568220542676898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145113141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332648 + ... + 1333506.

It is an arithmetic number, because the mean of its divisors is an integer number (95826360).

Almost surely, 2^1145113143 is an apocalyptic number.

1145113143 is a deficient number, since it is larger than the sum of its proper divisors (388108617).

1145113143 is an equidigital number, since it uses as much as digits as its factorization.

1145113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its digits is 720, while the sum is 24.

The square root of 1145113143 is about 33839.5204309990. The cubic root of 1145113143 is about 1046.2034144914.

Adding to 1145113143 its reverse (3413115411), we get a palindrome (4558228554).

The spelling of 1145113143 in words is "one billion, one hundred forty-five million, one hundred thirteen thousand, one hundred forty-three".