102448416528457 has 2 divisors, whose sum is σ = 102448416528458. Its totient is φ = 102448416528456.

The previous prime is 102448416528449. The next prime is 102448416528511. The reversal of 102448416528457 is 754825614844201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71582158469376 + 30866258059081 = 8460624^2 + 5555741^2 .

It is a cyclic number.

It is not a de Polignac number, because 102448416528457 - 2³ = 102448416528449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102448416528395 and 102448416528404.

It is not a weakly prime, because it can be changed into another prime (102448414528457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51224208264228 + 51224208264229.

It is an arithmetic number, because the mean of its divisors is an integer number (51224208264229).

Almost surely, 2^{102448416528457} is an apocalyptic number.

It is an amenable number.

102448416528457 is a deficient number, since it is larger than the sum of its proper divisors (1).

102448416528457 is an equidigital number, since it uses as much as digits as its factorization.

102448416528457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68812800, while the sum is 61.

The spelling of 102448416528457 in words is "one hundred two trillion, four hundred forty-eight billion, four hundred sixteen million, five hundred twenty-eight thousand, four hundred fifty-seven".