42100141 has 4 divisors (see below), whose sum is σ = 43551900. Its totient is φ = 40648384.

The previous prime is 42100111. The next prime is 42100151. The reversal of 42100141 is 14100124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 34515625 = 2754^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 42100141 - 2⁷ = 42100013 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 (42100111) 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, 725836 + ... + 725893.

It is an arithmetic number, because the mean of its divisors is an integer number (10887975).

Almost surely, 2^42100141 is an apocalyptic number.

It is an amenable number.

42100141 is a deficient number, since it is larger than the sum of its proper divisors (1451759).

42100141 is a wasteful number, since it uses less digits than its factorization.

42100141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451758.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 42100141 is about 6488.4621444530. The cubic root of 42100141 is about 347.8787093271.

Adding to 42100141 its reverse (14100124), we get a palindrome (56200265).

The spelling of 42100141 in words is "forty-two million, one hundred thousand, one hundred forty-one".