148487447 has 2 divisors, whose sum is σ = 148487448. Its totient is φ = 148487446.

The previous prime is 148487441. The next prime is 148487491. The reversal of 148487447 is 744784841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148487447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148487441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74243723 + 74243724.

It is an arithmetic number, because the mean of its divisors is an integer number (74243724).

Almost surely, 2^148487447 is an apocalyptic number.

148487447 is a deficient number, since it is larger than the sum of its proper divisors (1).

148487447 is an equidigital number, since it uses as much as digits as its factorization.

148487447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 802816, while the sum is 47.

The square root of 148487447 is about 12185.5425402401. The cubic root of 148487447 is about 529.5373285105.

The spelling of 148487447 in words is "one hundred forty-eight million, four hundred eighty-seven thousand, four hundred forty-seven".