48447149 has 2 divisors, whose sum is σ = 48447150. Its totient is φ = 48447148.

The previous prime is 48447143. The next prime is 48447151. The reversal of 48447149 is 94174484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33431524 + 15015625 = 5782^2 + 3875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48447149 is a prime.

Together with 48447151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48447143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24223574 + 24223575.

It is an arithmetic number, because the mean of its divisors is an integer number (24223575).

Almost surely, 2^48447149 is an apocalyptic number.

It is an amenable number.

48447149 is a deficient number, since it is larger than the sum of its proper divisors (1).

48447149 is an equidigital number, since it uses as much as digits as its factorization.

48447149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 48447149 is about 6960.3986236422. The cubic root of 48447149 is about 364.5491374324.

The spelling of 48447149 in words is "forty-eight million, four hundred forty-seven thousand, one hundred forty-nine".