148843778186881 has 8 divisors (see below), whose sum is σ = 149083409087424. Its totient is φ = 148604313643440.

The previous prime is 148843778186869. The next prime is 148843778186897. The reversal of 148843778186881 is 188681877348841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148843778186881 is a prime.

It is a super-2 number, since 2×148843778186881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148843778186795 and 148843778186804.

It is not an unprimeable number, because it can be changed into a prime (148843778181881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39798325 + ... + 43377346.

It is an arithmetic number, because the mean of its divisors is an integer number (18635426135928).

Almost surely, 2^{148843778186881} is an apocalyptic number.

It is an amenable number.

148843778186881 is a deficient number, since it is larger than the sum of its proper divisors (239630900543).

148843778186881 is an equidigital number, since it uses as much as digits as its factorization.

148843778186881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83178551.

The product of its digits is 3699376128, while the sum is 82.

The spelling of 148843778186881 in words is "one hundred forty-eight trillion, eight hundred forty-three billion, seven hundred seventy-eight million, one hundred eighty-six thousand, eight hundred eighty-one".