164146545 has 12 divisors (see below), whose sum is σ = 284520756. Its totient is φ = 87544800.

The previous prime is 164146531. The next prime is 164146553. The reversal of 164146545 is 545641461.

164146545 is a `hidden beast` number, since 1 + 641 + 4 + 6 + 5 + 4 + 5 = 666.

164146545 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 16451136 + 147695409 = 4056^2 + 12153^2 .

It is not a de Polignac number, because 164146545 - 2⁶ = 164146481 is a prime.

It is a hoax number, since the sum of its digits (36) 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, 1823806 + ... + 1823895.

It is an arithmetic number, because the mean of its divisors is an integer number (23710063).

Almost surely, 2^164146545 is an apocalyptic number.

164146545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164146545 is a deficient number, since it is larger than the sum of its proper divisors (120374211).

164146545 is a wasteful number, since it uses less digits than its factorization.

164146545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647712 (or 3647709 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 164146545 is about 12811.9688182574. The cubic root of 164146545 is about 547.5333563214.

The spelling of 164146545 in words is "one hundred sixty-four million, one hundred forty-six thousand, five hundred forty-five".