100405141 has 2 divisors, whose sum is σ = 100405142. Its totient is φ = 100405140.

The previous prime is 100405073. The next prime is 100405153. The reversal of 100405141 is 141504001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77880625 + 22524516 = 8825^2 + 4746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100405141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100405181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50202570 + 50202571.

It is an arithmetic number, because the mean of its divisors is an integer number (50202571).

Almost surely, 2^100405141 is an apocalyptic number.

It is an amenable number.

100405141 is a deficient number, since it is larger than the sum of its proper divisors (1).

100405141 is an equidigital number, since it uses as much as digits as its factorization.

100405141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 100405141 is about 10020.2365740535. The cubic root of 100405141 is about 464.7848713900.

Adding to 100405141 its reverse (141504001), we get a palindrome (241909142).

The spelling of 100405141 in words is "one hundred million, four hundred five thousand, one hundred forty-one".