149744168 has 128 divisors (see below), whose sum is σ = 366336000. Its totient is φ = 55883520.

The previous prime is 149744137. The next prime is 149744173. The reversal of 149744168 is 861447941.

It is a happy number.

149744168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 12237²-1.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 709583 + ... + 709793.

It is an arithmetic number, because the mean of its divisors is an integer number (2862000).

Almost surely, 2^149744168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149744168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183168000).

149744168 is an abundant number, since it is smaller than the sum of its proper divisors (216591832).

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

149744168 is a wasteful number, since it uses less digits than its factorization.

149744168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 291 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 149744168 is about 12236.9999591403. Note that the first 4 decimals coincide. The cubic root of 149744168 is about 531.0270437341.

The spelling of 149744168 in words is "one hundred forty-nine million, seven hundred forty-four thousand, one hundred sixty-eight".