148606865538 has 8 divisors (see below), whose sum is σ = 297213731088. Its totient is φ = 49535621844.

The previous prime is 148606865513. The next prime is 148606865597. The reversal of 148606865538 is 835568606841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

148606865538 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12383905456 + ... + 12383905467.

It is an arithmetic number, because the mean of its divisors is an integer number (37151716386).

Almost surely, 2^148606865538 is an apocalyptic number.

148606865538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

148606865538 is a wasteful number, since it uses less digits than its factorization.

148606865538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24767810928.

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 148606865538 in words is "one hundred forty-eight billion, six hundred six million, eight hundred sixty-five thousand, five hundred thirty-eight".