248438147 has 4 divisors (see below), whose sum is σ = 254497656. Its totient is φ = 242378640.

The previous prime is 248438143. The next prime is 248438149. The reversal of 248438147 is 741834842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248438147 - 2² = 248438143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 6059467 = 248438147 / (2 + 4 + 8 + 4 + 3 + 8 + 1 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248438143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029693 + ... + 3029774.

It is an arithmetic number, because the mean of its divisors is an integer number (63624414).

Almost surely, 2^248438147 is an apocalyptic number.

248438147 is a deficient number, since it is larger than the sum of its proper divisors (6059509).

248438147 is an equidigital number, since it uses as much as digits as its factorization.

248438147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059508.

The product of its digits is 172032, while the sum is 41.

The square root of 248438147 is about 15761.9207903098. The cubic root of 248438147 is about 628.6459091716.

The spelling of 248438147 in words is "two hundred forty-eight million, four hundred thirty-eight thousand, one hundred forty-seven".