1143154105 has 4 divisors (see below), whose sum is σ = 1371784932. Its totient is φ = 914523280.

The previous prime is 1143154063. The next prime is 1143154121. The reversal of 1143154105 is 5014513411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5014513411 = 1303 ⋅3848437.

It can be written as a sum of positive squares in 2 ways, for example, as 322274304 + 820879801 = 17952^2 + 28651^2 .

It is not a de Polignac number, because 1143154105 - 2²³ = 1134765497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143154105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114315406 + ... + 114315415.

It is an arithmetic number, because the mean of its divisors is an integer number (342946233).

Almost surely, 2^1143154105 is an apocalyptic number.

It is an amenable number.

1143154105 is a deficient number, since it is larger than the sum of its proper divisors (228630827).

1143154105 is an equidigital number, since it uses as much as digits as its factorization.

1143154105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228630826.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1143154105 is about 33810.5620331872. The cubic root of 1143154105 is about 1045.6064655792.

Adding to 1143154105 its reverse (5014513411), we get a palindrome (6157667516).

It can be divided in two parts, 11431 and 54105, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 1143154105 in words is "one billion, one hundred forty-three million, one hundred fifty-four thousand, one hundred five".