448368157 has 2 divisors, whose sum is σ = 448368158. Its totient is φ = 448368156.

The previous prime is 448368131. The next prime is 448368197. The reversal of 448368157 is 751863844.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401842116 + 46526041 = 20046^2 + 6821^2 .

It is a cyclic number.

It is not a de Polignac number, because 448368157 - 2⁷ = 448368029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448368127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224184078 + 224184079.

It is an arithmetic number, because the mean of its divisors is an integer number (224184079).

Almost surely, 2^448368157 is an apocalyptic number.

It is an amenable number.

448368157 is a deficient number, since it is larger than the sum of its proper divisors (1).

448368157 is an equidigital number, since it uses as much as digits as its factorization.

448368157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 448368157 is about 21174.7055941753. The cubic root of 448368157 is about 765.3820166144.

The spelling of 448368157 in words is "four hundred forty-eight million, three hundred sixty-eight thousand, one hundred fifty-seven".