164145454 has 24 divisors (see below), whose sum is σ = 272667024. Its totient is φ = 74052000.

The previous prime is 164145433. The next prime is 164145463. The reversal of 164145454 is 454541461.

164145454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164145454² = 53887460137732232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 30679 + ... + 35629.

It is an arithmetic number, because the mean of its divisors is an integer number (11361126).

Almost surely, 2^164145454 is an apocalyptic number.

164145454 is a deficient number, since it is larger than the sum of its proper divisors (108521570).

164145454 is a wasteful number, since it uses less digits than its factorization.

164145454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112 (or 5101 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 164145454 is about 12811.9262408117. The cubic root of 164145454 is about 547.5321432586.

The spelling of 164145454 in words is "one hundred sixty-four million, one hundred forty-five thousand, four hundred fifty-four".