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154001 is a prime number
BaseRepresentation
bin100101100110010001
321211020202
4211212101
514412001
63144545
71210661
oct454621
9254222
10154001
11a5781
1275155
1355133
14401a1
153096b
hex25991

154001 has 2 divisors, whose sum is σ = 154002. Its totient is φ = 154000.

The previous prime is 153997. The next prime is 154027. The reversal of 154001 is 100451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 5776 = 385^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 154001 - 22 = 153997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (154061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77000 + 77001.

It is an arithmetic number, because the mean of its divisors is an integer number (77001).

2154001 is an apocalyptic number.

154001 is the 176-th centered decagonal number.

It is an amenable number.

154001 is a deficient number, since it is larger than the sum of its proper divisors (1).

154001 is an equidigital number, since it uses as much as digits as its factorization.

154001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 154001 is about 392.4296115229. The cubic root of 154001 is about 53.6012001291.

Adding to 154001 its reverse (100451), we get a palindrome (254452).

The spelling of 154001 in words is "one hundred fifty-four thousand, one".