Search a number
-
+
160445 = 532089
BaseRepresentation
bin100111001010111101
322011002102
4213022331
520113240
63234445
71235525
oct471275
9264072
10160445
11aa5aa
1278a25
135804c
1442685
1532815
hex272bd

160445 has 4 divisors (see below), whose sum is σ = 192540. Its totient is φ = 128352.

The previous prime is 160441. The next prime is 160453. The reversal of 160445 is 544061.

It is a happy number.

160445 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544061 = 777723.

It can be written as a sum of positive squares in 2 ways, for example, as 21316 + 139129 = 146^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 160445 - 22 = 160441 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 160445.

It is not an unprimeable number, because it can be changed into a prime (160441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16040 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (48135).

2160445 is an apocalyptic number.

It is an amenable number.

160445 is a deficient number, since it is larger than the sum of its proper divisors (32095).

160445 is an equidigital number, since it uses as much as digits as its factorization.

160445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32094.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 160445 is about 400.5558637693. Note that the first 3 decimals coincide. The cubic root of 160445 is about 54.3386355706.

The spelling of 160445 in words is "one hundred sixty thousand, four hundred forty-five".

Divisors: 1 5 32089 160445