148148341609 has 4 divisors (see below), whose sum is σ = 148149801604. Its totient is φ = 148146881616.

The previous prime is 148148341571. The next prime is 148148341633. The reversal of 148148341609 is 906143841841.

148148341609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98437180009 + 49711161600 = 313747^2 + 222960^2 .

It is a cyclic number.

It is not a de Polignac number, because 148148341609 - 2⁹ = 148148341097 is a prime.

It is a super-2 number, since 2×148148341609² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148148341639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565422 + ... + 784855.

It is an arithmetic number, because the mean of its divisors is an integer number (37037450401).

Almost surely, 2^148148341609 is an apocalyptic number.

It is an amenable number.

148148341609 is a deficient number, since it is larger than the sum of its proper divisors (1459995).

148148341609 is a wasteful number, since it uses less digits than its factorization.

148148341609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459994.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 148148341609 in words is "one hundred forty-eight billion, one hundred forty-eight million, three hundred forty-one thousand, six hundred nine".