149332194828 has 18 divisors (see below), whose sum is σ = 377478603684. Its totient is φ = 49777398264.

The previous prime is 149332194821. The next prime is 149332194839. The reversal of 149332194828 is 828491233941.

149332194828 is a `hidden beast` number, since 1 + 49 + 332 + 194 + 82 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (149332194821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2074058226 + ... + 2074058297.

It is an arithmetic number, because the mean of its divisors is an integer number (20971033538).

Almost surely, 2^149332194828 is an apocalyptic number.

149332194828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149332194828 is an abundant number, since it is smaller than the sum of its proper divisors (228146408856).

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

149332194828 is a wasteful number, since it uses less digits than its factorization.

149332194828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148116533 (or 4148116528 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 149332194828 in words is "one hundred forty-nine billion, three hundred thirty-two million, one hundred ninety-four thousand, eight hundred twenty-eight".