148451771484 has 72 divisors (see below), whose sum is σ = 378322504560. Its totient is φ = 49079865600.

The previous prime is 148451771423. The next prime is 148451771509. The reversal of 148451771484 is 484177154841.

148451771484 is a `hidden beast` number, since 1 + 4 + 84 + 5 + 17 + 71 + 484 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 148451771484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5295264 + ... + 5323224.

It is an arithmetic number, because the mean of its divisors is an integer number (5254479230).

Almost surely, 2^148451771484 is an apocalyptic number.

It is an amenable number.

148451771484 is an abundant number, since it is smaller than the sum of its proper divisors (229870733076).

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

148451771484 is a wasteful number, since it uses less digits than its factorization.

148451771484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29171 (or 29166 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 54.

The spelling of 148451771484 in words is "one hundred forty-eight billion, four hundred fifty-one million, seven hundred seventy-one thousand, four hundred eighty-four".