148685684740 has 24 divisors (see below), whose sum is σ = 320678856792. Its totient is φ = 57866860800.

The previous prime is 148685684731. The next prime is 148685684813. The reversal of 148685684740 is 47486586841.

It can be written as a sum of positive squares in 4 ways, for example, as 45891065284 + 102794619456 = 214222^2 + 320616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100462561 + ... + 100464040.

It is an arithmetic number, because the mean of its divisors is an integer number (13361619033).

Almost surely, 2^148685684740 is an apocalyptic number.

148685684740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148685684740 is an abundant number, since it is smaller than the sum of its proper divisors (171993172052).

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

148685684740 is a wasteful number, since it uses less digits than its factorization.

148685684740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200926647 (or 200926645 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 148685684740 in words is "one hundred forty-eight billion, six hundred eighty-five million, six hundred eighty-four thousand, seven hundred forty".