42441149 has 2 divisors, whose sum is σ = 42441150. Its totient is φ = 42441148.

The previous prime is 42441143. The next prime is 42441167. The reversal of 42441149 is 94114424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 515524 = 6475^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 42441149 - 2¹² = 42437053 is a prime.

It is a super-2 number, since 2×42441149² = 3602502256880402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42441143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220574 + 21220575.

It is an arithmetic number, because the mean of its divisors is an integer number (21220575).

Almost surely, 2^42441149 is an apocalyptic number.

It is an amenable number.

42441149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441149 is an equidigital number, since it uses as much as digits as its factorization.

42441149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 42441149 is about 6514.6871759126. The cubic root of 42441149 is about 348.8154485493.

The spelling of 42441149 in words is "forty-two million, four hundred forty-one thousand, one hundred forty-nine".