102100143 has 8 divisors (see below), whose sum is σ = 140525056. Its totient is φ = 65871000.

The previous prime is 102100123. The next prime is 102100169. The reversal of 102100143 is 341001201.

It is a happy number.

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

It is not a de Polignac number, because 102100143 - 2⁵ = 102100111 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 (102100123) 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, 548833 + ... + 549018.

It is an arithmetic number, because the mean of its divisors is an integer number (17565632).

Almost surely, 2^102100143 is an apocalyptic number.

102100143 is a deficient number, since it is larger than the sum of its proper divisors (38424913).

102100143 is a wasteful number, since it uses less digits than its factorization.

102100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097885.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102100143 is about 10104.4615393399. The cubic root of 102100143 is about 467.3857316498.

Adding to 102100143 its reverse (341001201), we get a palindrome (443101344).

The spelling of 102100143 in words is "one hundred two million, one hundred thousand, one hundred forty-three".