148747878 has 12 divisors (see below), whose sum is σ = 322287108. Its totient is φ = 49582620.

The previous prime is 148747867. The next prime is 148747883. The reversal of 148747878 is 878747841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4131868 + ... + 4131903.

It is an arithmetic number, because the mean of its divisors is an integer number (26857259).

Almost surely, 2^148747878 is an apocalyptic number.

148747878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

148747878 is an abundant number, since it is smaller than the sum of its proper divisors (173539230).

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

148747878 is a wasteful number, since it uses less digits than its factorization.

148747878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263779 (or 8263776 counting only the distinct ones).

The product of its digits is 2809856, while the sum is 54.

The square root of 148747878 is about 12196.2239238217. The cubic root of 148747878 is about 529.8467315208.

The spelling of 148747878 in words is "one hundred forty-eight million, seven hundred forty-seven thousand, eight hundred seventy-eight".