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141649 is a prime number
BaseRepresentation
bin100010100101010001
321012022021
4202211101
514013044
63011441
71126654
oct424521
9235267
10141649
1197472
1269b81
134c621
143989b
152be84
hex22951

141649 has 2 divisors, whose sum is σ = 141650. Its totient is φ = 141648.

The previous prime is 141637. The next prime is 141653. The reversal of 141649 is 946141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 1024 = 375^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 141649 - 215 = 108881 is a prime.

It is not a weakly prime, because it can be changed into another prime (141619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70824 + 70825.

It is an arithmetic number, because the mean of its divisors is an integer number (70825).

2141649 is an apocalyptic number.

It is an amenable number.

141649 is a deficient number, since it is larger than the sum of its proper divisors (1).

141649 is an equidigital number, since it uses as much as digits as its factorization.

141649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 141649 is about 376.3628568284. The cubic root of 141649 is about 52.1280130028.

The spelling of 141649 in words is "one hundred forty-one thousand, six hundred forty-nine".