164545043 has 8 divisors (see below), whose sum is σ = 183313200. Its totient is φ = 146649888.

The previous prime is 164545037. The next prime is 164545049. The reversal of 164545043 is 340545461.

It is an interprime number because it is at equal distance from previous prime (164545037) and next prime (164545049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164545043 - 2⁴ = 164545027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164545049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 217853 + ... + 218606.

It is an arithmetic number, because the mean of its divisors is an integer number (22914150).

Almost surely, 2^164545043 is an apocalyptic number.

164545043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164545043 is a deficient number, since it is larger than the sum of its proper divisors (18768157).

164545043 is a wasteful number, since it uses less digits than its factorization.

164545043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436501.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 164545043 is about 12827.5111771536. The cubic root of 164545043 is about 547.9760798606.

The spelling of 164545043 in words is "one hundred sixty-four million, five hundred forty-five thousand, forty-three".