100201143 has 16 divisors (see below), whose sum is σ = 156815360. Its totient is φ = 55709856.

The previous prime is 100201141. The next prime is 100201147. The reversal of 100201143 is 341102001.

It is a happy number.

It is not a de Polignac number, because 100201143 - 2¹ = 100201141 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 (100201141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63703 + ... + 65256.

It is an arithmetic number, because the mean of its divisors is an integer number (9800960).

Almost surely, 2^100201143 is an apocalyptic number.

100201143 is a deficient number, since it is larger than the sum of its proper divisors (56614217).

100201143 is a wasteful number, since it uses less digits than its factorization.

100201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129006.

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

The square root of 100201143 is about 10010.0520977665. The cubic root of 100201143 is about 464.4698826376.

Adding to 100201143 its reverse (341102001), we get a palindrome (441303144).

The spelling of 100201143 in words is "one hundred million, two hundred one thousand, one hundred forty-three".