148346448557 has 2 divisors, whose sum is σ = 148346448558. Its totient is φ = 148346448556.

The previous prime is 148346448541. The next prime is 148346448589. The reversal of 148346448557 is 755844643841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131115685801 + 17230762756 = 362099^2 + 131266^2 .

It is a cyclic number.

It is not a de Polignac number, because 148346448557 - 2⁴ = 148346448541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148346448496 and 148346448505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148346448527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74173224278 + 74173224279.

It is an arithmetic number, because the mean of its divisors is an integer number (74173224279).

Almost surely, 2^148346448557 is an apocalyptic number.

It is an amenable number.

148346448557 is a deficient number, since it is larger than the sum of its proper divisors (1).

148346448557 is an equidigital number, since it uses as much as digits as its factorization.

148346448557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51609600, while the sum is 59.

The spelling of 148346448557 in words is "one hundred forty-eight billion, three hundred forty-six million, four hundred forty-eight thousand, five hundred fifty-seven".