42446167 has 2 divisors, whose sum is σ = 42446168. Its totient is φ = 42446166.

The previous prime is 42446153. The next prime is 42446189. The reversal of 42446167 is 76164424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42446167 - 2⁷ = 42446039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42446567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21223083 + 21223084.

It is an arithmetic number, because the mean of its divisors is an integer number (21223084).

Almost surely, 2^42446167 is an apocalyptic number.

42446167 is a deficient number, since it is larger than the sum of its proper divisors (1).

42446167 is an equidigital number, since it uses as much as digits as its factorization.

42446167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 42446167 is about 6515.0722943034. The cubic root of 42446167 is about 348.8291953256.

The spelling of 42446167 in words is "forty-two million, four hundred forty-six thousand, one hundred sixty-seven".