6455148157 has 2 divisors, whose sum is σ = 6455148158. Its totient is φ = 6455148156.

The previous prime is 6455148137. The next prime is 6455148163. The reversal of 6455148157 is 7518415546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6293883556 + 161264601 = 79334^2 + 12699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6455148157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455148137) 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 as a sum of consecutive naturals, namely, 3227574078 + 3227574079.

It is an arithmetic number, because the mean of its divisors is an integer number (3227574079).

Almost surely, 2^6455148157 is an apocalyptic number.

It is an amenable number.

6455148157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455148157 is an equidigital number, since it uses as much as digits as its factorization.

6455148157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 46.

The square root of 6455148157 is about 80343.9366536144. The cubic root of 6455148157 is about 1861.9531028656.

The spelling of 6455148157 in words is "six billion, four hundred fifty-five million, one hundred forty-eight thousand, one hundred fifty-seven".