148019705889 has 32 divisors (see below), whose sum is σ = 222236517888. Its totient is φ = 86852688000.

The previous prime is 148019705887. The next prime is 148019705921. The reversal of 148019705889 is 988507910841.

It is a happy number.

It is not a de Polignac number, because 148019705889 - 2¹ = 148019705887 is a prime.

It is a super-2 number, since 2×148019705889² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148019705887) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 240319 + ... + 594804.

It is an arithmetic number, because the mean of its divisors is an integer number (6944891184).

Almost surely, 2^148019705889 is an apocalyptic number.

It is an amenable number.

148019705889 is a deficient number, since it is larger than the sum of its proper divisors (74216811999).

148019705889 is a wasteful number, since it uses less digits than its factorization.

148019705889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835309.

The product of its (nonzero) digits is 5806080, while the sum is 60.

The spelling of 148019705889 in words is "one hundred forty-eight billion, nineteen million, seven hundred five thousand, eight hundred eighty-nine".