100143441 has 12 divisors (see below), whose sum is σ = 146689920. Its totient is φ = 65821560.

The previous prime is 100143397. The next prime is 100143457. The reversal of 100143441 is 144341001.

It is not a de Polignac number, because 100143441 - 2⁶ = 100143377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100148441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77721 + ... + 78998.

It is an arithmetic number, because the mean of its divisors is an integer number (12224160).

Almost surely, 2^100143441 is an apocalyptic number.

It is an amenable number.

100143441 is a deficient number, since it is larger than the sum of its proper divisors (46546479).

100143441 is a wasteful number, since it uses less digits than its factorization.

100143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156796 (or 156793 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 100143441 is about 10007.1694799279. The cubic root of 100143441 is about 464.3807087135.

Adding to 100143441 its reverse (144341001), we get a palindrome (244484442).

The spelling of 100143441 in words is "one hundred million, one hundred forty-three thousand, four hundred forty-one".