1102144143 has 4 divisors (see below), whose sum is σ = 1469525528. Its totient is φ = 734762760.

The previous prime is 1102144117. The next prime is 1102144177. The reversal of 1102144143 is 3414412011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1102144143 - 2⁶ = 1102144079 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 (1102144103) 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, 183690688 + ... + 183690693.

It is an arithmetic number, because the mean of its divisors is an integer number (367381382).

Almost surely, 2^1102144143 is an apocalyptic number.

1102144143 is a deficient number, since it is larger than the sum of its proper divisors (367381385).

1102144143 is an equidigital number, since it uses as much as digits as its factorization.

1102144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367381384.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1102144143 is about 33198.5563390940. The cubic root of 1102144143 is about 1032.9503941328.

Adding to 1102144143 its reverse (3414412011), we get a palindrome (4516556154).

The spelling of 1102144143 in words is "one billion, one hundred two million, one hundred forty-four thousand, one hundred forty-three".