149827788 has 36 divisors (see below), whose sum is σ = 413162568. Its totient is φ = 45402240.

The previous prime is 149827757. The next prime is 149827789. The reversal of 149827788 is 887728941.

It is a happy number.

149827788 is a `hidden beast` number, since 1 + 498 + 2 + 77 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (149827789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188781 + ... + 189572.

It is an arithmetic number, because the mean of its divisors is an integer number (11476738).

Almost surely, 2^149827788 is an apocalyptic number.

149827788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149827788 is an abundant number, since it is smaller than the sum of its proper divisors (263334780).

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

149827788 is a wasteful number, since it uses less digits than its factorization.

149827788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378374 (or 378369 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 149827788 is about 12240.4161693955. The cubic root of 149827788 is about 531.1258705512.

The spelling of 149827788 in words is "one hundred forty-nine million, eight hundred twenty-seven thousand, seven hundred eighty-eight".