42141149 has 2 divisors, whose sum is σ = 42141150. Its totient is φ = 42141148.

The previous prime is 42141133. The next prime is 42141199. The reversal of 42141149 is 94114124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 18062500 = 4907^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 42141149 - 2⁴ = 42141133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42141119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070574 + 21070575.

It is an arithmetic number, because the mean of its divisors is an integer number (21070575).

Almost surely, 2^42141149 is an apocalyptic number.

It is an amenable number.

42141149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42141149 is an equidigital number, since it uses as much as digits as its factorization.

42141149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 42141149 is about 6491.6214461412. The cubic root of 42141149 is about 347.9916240773.

The spelling of 42141149 in words is "forty-two million, one hundred forty-one thousand, one hundred forty-nine".