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354445141 is a prime number
BaseRepresentation
bin10101001000000…
…110011101010101
3220200221200022211
4111020012131111
51211214221031
655100553421
711532506521
oct2510063525
9820850284
10354445141
11172090976
129a852871
135858156b
1435106d81
15211b5bb1
hex15206755

354445141 has 2 divisors, whose sum is σ = 354445142. Its totient is φ = 354445140.

The previous prime is 354445139. The next prime is 354445153. The reversal of 354445141 is 141544453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354380625 + 64516 = 18825^2 + 254^2 .

It is an emirp because it is prime and its reverse (141544453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354445141 - 21 = 354445139 is a prime.

Together with 354445139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354445181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177222570 + 177222571.

It is an arithmetic number, because the mean of its divisors is an integer number (177222571).

Almost surely, 2354445141 is an apocalyptic number.

It is an amenable number.

354445141 is a deficient number, since it is larger than the sum of its proper divisors (1).

354445141 is an equidigital number, since it uses as much as digits as its factorization.

354445141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 354445141 is about 18826.7134943941. The cubic root of 354445141 is about 707.7007823306.

Adding to 354445141 its reverse (141544453), we get a palindrome (495989594).

The spelling of 354445141 in words is "three hundred fifty-four million, four hundred forty-five thousand, one hundred forty-one".