148661351016457 has 2 divisors, whose sum is σ = 148661351016458. Its totient is φ = 148661351016456.

The previous prime is 148661351016443. The next prime is 148661351016463. The reversal of 148661351016457 is 754610153166841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136479778191936 + 12181572824521 = 11682456^2 + 3490211^2 .

It is an emirp because it is prime and its reverse (754610153166841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148661351016457 - 2²⁷ = 148661216798729 is a prime.

It is not a weakly prime, because it can be changed into another prime (148661351016757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74330675508228 + 74330675508229.

It is an arithmetic number, because the mean of its divisors is an integer number (74330675508229).

Almost surely, 2^{148661351016457} is an apocalyptic number.

It is an amenable number.

148661351016457 is a deficient number, since it is larger than the sum of its proper divisors (1).

148661351016457 is an equidigital number, since it uses as much as digits as its factorization.

148661351016457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 148661351016457 in words is "one hundred forty-eight trillion, six hundred sixty-one billion, three hundred fifty-one million, sixteen thousand, four hundred fifty-seven".