42148193 has 2 divisors, whose sum is σ = 42148194. Its totient is φ = 42148192.

The previous prime is 42148157. The next prime is 42148207. The reversal of 42148193 is 39184124.

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., 21418384 + 20729809 = 4628^2 + 4553^2 .

It is a cyclic number.

It is not a de Polignac number, because 42148193 - 2¹⁶ = 42082657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42148103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21074096 + 21074097.

It is an arithmetic number, because the mean of its divisors is an integer number (21074097).

Almost surely, 2^42148193 is an apocalyptic number.

It is an amenable number.

42148193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42148193 is an equidigital number, since it uses as much as digits as its factorization.

42148193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 42148193 is about 6492.1639689706. The cubic root of 42148193 is about 348.0110122247.

The spelling of 42148193 in words is "forty-two million, one hundred forty-eight thousand, one hundred ninety-three".