248441706157 has 2 divisors, whose sum is σ = 248441706158. Its totient is φ = 248441706156.

The previous prime is 248441706143. The next prime is 248441706167. The reversal of 248441706157 is 751607144842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141892342596 + 106549363561 = 376686^2 + 326419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248441706157 is a prime.

It is a super-2 number, since 2×248441706157² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 248441706157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248441706137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124220853078 + 124220853079.

It is an arithmetic number, because the mean of its divisors is an integer number (124220853079).

Almost surely, 2^248441706157 is an apocalyptic number.

It is an amenable number.

248441706157 is a deficient number, since it is larger than the sum of its proper divisors (1).

248441706157 is an equidigital number, since it uses as much as digits as its factorization.

248441706157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 248441706157 in words is "two hundred forty-eight billion, four hundred forty-one million, seven hundred six thousand, one hundred fifty-seven".