164214545 has 12 divisors (see below), whose sum is σ = 216601140. Its totient is φ = 119428320.

The previous prime is 164214529. The next prime is 164214571. The reversal of 164214545 is 545412461.

164214545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 78021889 + 86192656 = 8833^2 + 9284^2 .

It is not a de Polignac number, because 164214545 - 2⁴ = 164214529 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135110 + ... + 136319.

It is an arithmetic number, because the mean of its divisors is an integer number (18050095).

Almost surely, 2^164214545 is an apocalyptic number.

It is an amenable number.

164214545 is a deficient number, since it is larger than the sum of its proper divisors (52386595).

164214545 is a wasteful number, since it uses less digits than its factorization.

164214545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271456 (or 271445 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 164214545 is about 12814.6223120309. The cubic root of 164214545 is about 547.6089536646.

The spelling of 164214545 in words is "one hundred sixty-four million, two hundred fourteen thousand, five hundred forty-five".