149438766 has 16 divisors (see below), whose sum is σ = 299307600. Its totient is φ = 49741248.

The previous prime is 149438719. The next prime is 149438777. The reversal of 149438766 is 667834941.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13311 + ... + 21818.

It is an arithmetic number, because the mean of its divisors is an integer number (18706725).

Almost surely, 2^149438766 is an apocalyptic number.

149438766 is an abundant number, since it is smaller than the sum of its proper divisors (149868834).

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

149438766 is a wasteful number, since it uses less digits than its factorization.

149438766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35843.

The product of its digits is 870912, while the sum is 48.

The square root of 149438766 is about 12224.5149597029. The cubic root of 149438766 is about 530.6657896005.

The spelling of 149438766 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, seven hundred sixty-six".