148378981588 has 6 divisors (see below), whose sum is σ = 259663217786. Its totient is φ = 74189490792.

The previous prime is 148378981547. The next prime is 148378981589. The reversal of 148378981588 is 885189873841.

It can be written as a sum of positive squares in only one way, i.e., 146728834704 + 1650146884 = 383052^2 + 40622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148378981589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18547372695 + ... + 18547372702.

Almost surely, 2^148378981588 is an apocalyptic number.

It is an amenable number.

148378981588 is a deficient number, since it is larger than the sum of its proper divisors (111284236198).

148378981588 is a wasteful number, since it uses less digits than its factorization.

148378981588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37094745401 (or 37094745399 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 70.

The spelling of 148378981588 in words is "one hundred forty-eight billion, three hundred seventy-eight million, nine hundred eighty-one thousand, five hundred eighty-eight".