148491878356 has 12 divisors (see below), whose sum is σ = 260424479700. Its totient is φ = 74084884160.

The previous prime is 148491878281. The next prime is 148491878357. The reversal of 148491878356 is 653878194841.

It can be written as a sum of positive squares in 2 ways, for example, as 89556547600 + 58935330756 = 299260^2 + 242766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148491878357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40261681 + ... + 40265368.

It is an arithmetic number, because the mean of its divisors is an integer number (21702039975).

Almost surely, 2^148491878356 is an apocalyptic number.

It is an amenable number.

148491878356 is a deficient number, since it is larger than the sum of its proper divisors (111932601344).

148491878356 is a wasteful number, since it uses less digits than its factorization.

148491878356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80527514 (or 80527512 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 64.

The spelling of 148491878356 in words is "one hundred forty-eight billion, four hundred ninety-one million, eight hundred seventy-eight thousand, three hundred fifty-six".