1143026165 has 8 divisors (see below), whose sum is σ = 1374987480. Its totient is φ = 912183552.

The previous prime is 1143026119. The next prime is 1143026177. The reversal of 1143026165 is 5616203411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43573201 + 1099452964 = 6601^2 + 33158^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1143026165 - 2⁸ = 1143025909 is a prime.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 277424 + ... + 281513.

It is an arithmetic number, because the mean of its divisors is an integer number (171873435).

Almost surely, 2^1143026165 is an apocalyptic number.

It is an amenable number.

1143026165 is a deficient number, since it is larger than the sum of its proper divisors (231961315).

1143026165 is an equidigital number, since it uses as much as digits as its factorization.

1143026165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559351.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1143026165 is about 33808.6699679239. The cubic root of 1143026165 is about 1045.5674565831.

Adding to 1143026165 its reverse (5616203411), we get a palindrome (6759229576).

The spelling of 1143026165 in words is "one billion, one hundred forty-three million, twenty-six thousand, one hundred sixty-five".