42326149 has 2 divisors, whose sum is σ = 42326150. Its totient is φ = 42326148.

The previous prime is 42326083. The next prime is 42326159. The reversal of 42326149 is 94162324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24433249 + 17892900 = 4943^2 + 4230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42326149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42326149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42326159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21163074 + 21163075.

It is an arithmetic number, because the mean of its divisors is an integer number (21163075).

Almost surely, 2^42326149 is an apocalyptic number.

It is an amenable number.

42326149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42326149 is an equidigital number, since it uses as much as digits as its factorization.

42326149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 42326149 is about 6505.8549784021. The cubic root of 42326149 is about 348.5001094394.

The spelling of 42326149 in words is "forty-two million, three hundred twenty-six thousand, one hundred forty-nine".