148009026685 has 16 divisors (see below), whose sum is σ = 194882136624. Its totient is φ = 107236726272.

The previous prime is 148009026667. The next prime is 148009026691. The reversal of 148009026685 is 586620900841.

It can be written as a sum of positive squares in 8 ways, for example, as 4353624324 + 143655402361 = 65982^2 + 379019^2 .

It is not a de Polignac number, because 148009026685 - 2⁵ = 148009026653 is a prime.

It is a super-4 number, since 4×148009026685⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21478272 + ... + 21485161.

It is an arithmetic number, because the mean of its divisors is an integer number (12180133539).

Almost surely, 2^148009026685 is an apocalyptic number.

It is an amenable number.

148009026685 is a deficient number, since it is larger than the sum of its proper divisors (46873109939).

148009026685 is a wasteful number, since it uses less digits than its factorization.

148009026685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42963504.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 148009026685 in words is "one hundred forty-eight billion, nine million, twenty-six thousand, six hundred eighty-five".