164451144 has 64 divisors (see below), whose sum is σ = 483013440. Its totient is φ = 45999360.

The previous prime is 164451109. The next prime is 164451169. The reversal of 164451144 is 441154461.

164451144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 20527 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (7547085).

Almost surely, 2^164451144 is an apocalyptic number.

It is an amenable number.

164451144 is an abundant number, since it is smaller than the sum of its proper divisors (318562296).

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

164451144 is a wasteful number, since it uses less digits than its factorization.

164451144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47950 (or 47946 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 164451144 is about 12823.8505917684. The cubic root of 164451144 is about 547.8718243212.

The spelling of 164451144 in words is "one hundred sixty-four million, four hundred fifty-one thousand, one hundred forty-four".