164426145 has 16 divisors (see below), whose sum is σ = 283319232. Its totient is φ = 80948160.

The previous prime is 164426137. The next prime is 164426161. The reversal of 164426145 is 541624461.

164426145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164426145 - 2³ = 164426137 is a prime.

It is a super-3 number, since 3×164426145³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421411 + ... + 421800.

It is an arithmetic number, because the mean of its divisors is an integer number (17707452).

Almost surely, 2^164426145 is an apocalyptic number.

164426145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164426145 is a deficient number, since it is larger than the sum of its proper divisors (118893087).

164426145 is a wasteful number, since it uses less digits than its factorization.

164426145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843232.

The product of its digits is 23040, while the sum is 33.

The square root of 164426145 is about 12822.8758474844. The cubic root of 164426145 is about 547.8440613810.

The spelling of 164426145 in words is "one hundred sixty-four million, four hundred twenty-six thousand, one hundred forty-five".