148386641343257 has 2 divisors, whose sum is σ = 148386641343258. Its totient is φ = 148386641343256.

The previous prime is 148386641343251. The next prime is 148386641343301. The reversal of 148386641343257 is 752343146683841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146427884346121 + 1958756997136 = 12100739^2 + 1399556^2 .

It is a cyclic number.

It is not a de Polignac number, because 148386641343257 - 2¹² = 148386641339161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148386641343193 and 148386641343202.

It is not a weakly prime, because it can be changed into another prime (148386641343251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74193320671628 + 74193320671629.

It is an arithmetic number, because the mean of its divisors is an integer number (74193320671629).

Almost surely, 2^{148386641343257} is an apocalyptic number.

It is an amenable number.

148386641343257 is a deficient number, since it is larger than the sum of its proper divisors (1).

148386641343257 is an equidigital number, since it uses as much as digits as its factorization.

148386641343257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 278691840, while the sum is 65.

The spelling of 148386641343257 in words is "one hundred forty-eight trillion, three hundred eighty-six billion, six hundred forty-one million, three hundred forty-three thousand, two hundred fifty-seven".