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141345 = 345349
BaseRepresentation
bin100010100000100001
321011220000
4202200201
514010340
63010213
71126041
oct424041
9234800
10141345
1197216
1269969
134c449
1439721
152bd30
hex22821

141345 has 20 divisors (see below), whose sum is σ = 254100. Its totient is φ = 75168.

The previous prime is 141319. The next prime is 141353. The reversal of 141345 is 543141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77841 + 63504 = 279^2 + 252^2 .

It is not a de Polignac number, because 141345 - 210 = 140321 is a prime.

It is a Curzon number.

141345 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 231 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (12705).

141345 is a Friedman number, since it can be written as 3141*45, using all its digits and the basic arithmetic operations.

2141345 is an apocalyptic number.

141345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141345 is a deficient number, since it is larger than the sum of its proper divisors (112755).

141345 is an equidigital number, since it uses as much as digits as its factorization.

141345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 357 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 141345 is about 375.9587743357. The cubic root of 141345 is about 52.0906947817.

Adding to 141345 its reverse (543141), we get a palindrome (684486).

The spelling of 141345 in words is "one hundred forty-one thousand, three hundred forty-five".