1102143145 has 8 divisors (see below), whose sum is σ = 1334706120. Its totient is φ = 873624960.

The previous prime is 1102143143. The next prime is 1102143169. The reversal of 1102143145 is 5413412011.

It can be written as a sum of positive squares in 4 ways, for example, as 1827904 + 1100315241 = 1352^2 + 33171^2 .

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

It is not a de Polignac number, because 1102143145 - 2¹ = 1102143143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102143143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010596 + ... + 1011685.

It is an arithmetic number, because the mean of its divisors is an integer number (166838265).

Almost surely, 2^1102143145 is an apocalyptic number.

It is an amenable number.

1102143145 is a deficient number, since it is larger than the sum of its proper divisors (232562975).

1102143145 is a wasteful number, since it uses less digits than its factorization.

1102143145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022395.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1102143145 is about 33198.5413083165. The cubic root of 1102143145 is about 1032.9500823512.

Adding to 1102143145 its reverse (5413412011), we get a palindrome (6515555156).

The spelling of 1102143145 in words is "one billion, one hundred two million, one hundred forty-three thousand, one hundred forty-five".