149220168 has 32 divisors (see below), whose sum is σ = 373887360. Its totient is φ = 49628480.

The previous prime is 149220161. The next prime is 149220173. The reversal of 149220168 is 861022941.

It is not an unprimeable number, because it can be changed into a prime (149220161) 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 7 ways as a sum of consecutive naturals, for example, 4321 + ... + 17807.

It is an arithmetic number, because the mean of its divisors is an integer number (11683980).

Almost surely, 2^149220168 is an apocalyptic number.

It is an amenable number.

149220168 is an abundant number, since it is smaller than the sum of its proper divisors (224667192).

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

149220168 is a wasteful number, since it uses less digits than its factorization.

149220168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13957 (or 13953 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 149220168 is about 12215.5707193729. The cubic root of 149220168 is about 530.4069119078.

The spelling of 149220168 in words is "one hundred forty-nine million, two hundred twenty thousand, one hundred sixty-eight".