148717439808 has 168 divisors, whose sum is σ = 472489645824. Its totient is φ = 41119948800.

The previous prime is 148717439699. The next prime is 148717439861. The reversal of 148717439808 is 808934717841.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×148717439808² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36688 + ... + 546608.

It is an arithmetic number, because the mean of its divisors is an integer number (2812438368).

Almost surely, 2^148717439808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148717439808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236244822912).

148717439808 is an abundant number, since it is smaller than the sum of its proper divisors (323772206016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148717439808 is a wasteful number, since it uses less digits than its factorization.

148717439808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509981 (or 509964 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 148717439808 in words is "one hundred forty-eight billion, seven hundred seventeen million, four hundred thirty-nine thousand, eight hundred eight".