148461685820 has 96 divisors (see below), whose sum is σ = 358274327040. Its totient is φ = 50620896000.

The previous prime is 148461685817. The next prime is 148461685909. The reversal of 148461685820 is 28586164841.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25965602 + ... + 25971318.

It is an arithmetic number, because the mean of its divisors is an integer number (3732024240).

Almost surely, 2^148461685820 is an apocalyptic number.

148461685820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148461685820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179137163520).

148461685820 is an abundant number, since it is smaller than the sum of its proper divisors (209812641220).

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

148461685820 is a wasteful number, since it uses less digits than its factorization.

148461685820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723 (or 6721 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 148461685820 in words is "one hundred forty-eight billion, four hundred sixty-one million, six hundred eighty-five thousand, eight hundred twenty".