148459834781 has 2 divisors, whose sum is σ = 148459834782. Its totient is φ = 148459834780.

The previous prime is 148459834753. The next prime is 148459834813. The reversal of 148459834781 is 187438954841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138287296900 + 10172537881 = 371870^2 + 100859^2 .

It is a cyclic number.

It is not a de Polignac number, because 148459834781 - 2⁶ = 148459834717 is a prime.

It is a super-2 number, since 2×148459834781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148459831781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74229917390 + 74229917391.

It is an arithmetic number, because the mean of its divisors is an integer number (74229917391).

Almost surely, 2^148459834781 is an apocalyptic number.

It is an amenable number.

148459834781 is a deficient number, since it is larger than the sum of its proper divisors (1).

148459834781 is an equidigital number, since it uses as much as digits as its factorization.

148459834781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 62.

The spelling of 148459834781 in words is "one hundred forty-eight billion, four hundred fifty-nine million, eight hundred thirty-four thousand, seven hundred eighty-one".