148806985417 has 2 divisors, whose sum is σ = 148806985418. Its totient is φ = 148806985416.

The previous prime is 148806985399. The next prime is 148806985423. The reversal of 148806985417 is 714589608841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123709772176 + 25097213241 = 351724^2 + 158421^2 .

It is a cyclic number.

It is not a de Polignac number, because 148806985417 - 2²³ = 148798596809 is a prime.

It is not a weakly prime, because it can be changed into another prime (148806985427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74403492708 + 74403492709.

It is an arithmetic number, because the mean of its divisors is an integer number (74403492709).

Almost surely, 2^148806985417 is an apocalyptic number.

It is an amenable number.

148806985417 is a deficient number, since it is larger than the sum of its proper divisors (1).

148806985417 is an equidigital number, since it uses as much as digits as its factorization.

148806985417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 148806985417 in words is "one hundred forty-eight billion, eight hundred six million, nine hundred eighty-five thousand, four hundred seventeen".