101143816 has 16 divisors (see below), whose sum is σ = 191139840. Its totient is φ = 50173200.

The previous prime is 101143781. The next prime is 101143817. The reversal of 101143816 is 618341101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101143817) 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, 48760 + ... + 50791.

It is an arithmetic number, because the mean of its divisors is an integer number (11946240).

Almost surely, 2^101143816 is an apocalyptic number.

It is an amenable number.

101143816 is a deficient number, since it is larger than the sum of its proper divisors (89996024).

101143816 is a wasteful number, since it uses less digits than its factorization.

101143816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99684 (or 99680 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 101143816 is about 10057.0281892814. The cubic root of 101143816 is about 465.9218863709.

Adding to 101143816 its reverse (618341101), we get a palindrome (719484917).

The spelling of 101143816 in words is "one hundred one million, one hundred forty-three thousand, eight hundred sixteen".