164744345 has 8 divisors (see below), whose sum is σ = 208098240. Its totient is φ = 124858800.

The previous prime is 164744341. The next prime is 164744407. The reversal of 164744345 is 543447461.

164744345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 164744345 - 2² = 164744341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164744299 and 164744308.

It is not an unprimeable number, because it can be changed into a prime (164744341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866981 + ... + 867170.

It is an arithmetic number, because the mean of its divisors is an integer number (26012280).

Almost surely, 2^164744345 is an apocalyptic number.

It is an amenable number.

164744345 is a deficient number, since it is larger than the sum of its proper divisors (43353895).

164744345 is a wasteful number, since it uses less digits than its factorization.

164744345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734175.

The product of its digits is 161280, while the sum is 38.

The square root of 164744345 is about 12835.2773635789. The cubic root of 164744345 is about 548.1972324042.

The spelling of 164744345 in words is "one hundred sixty-four million, seven hundred forty-four thousand, three hundred forty-five".